// The cookie name to use for storing the blog-side comment session cookie.
var mtCookieName = "mt_blog1_user";
var mtCookieDomain = ".business-affiliate.net";
var mtCookiePath = "/";
var mtCookieTimeout = 14400;


function mtHide(id) {
    var el = (typeof id == "string") ? document.getElementById(id) : id;
    if (el) el.style.display = 'none';
}


function mtShow(id) {
    var el = (typeof id == "string") ? document.getElementById(id) : id;
    if (el) el.style.display = 'block';
}


function mtAttachEvent(eventName,func) {
    var onEventName = 'on' + eventName;
    var old = window[onEventName];
    if( typeof old != 'function' )
        window[onEventName] = func;
    else {
        window[onEventName] = function( evt ) {
            old( evt );
            return func( evt );
        };
    }
}


function mtFireEvent(eventName,param) {
    var fn = window['on' + eventName];
    if (typeof fn == 'function') return fn(param);
    return;
}


function mtRelativeDate(ts, fds) {
    var now = new Date();
    var ref = ts;
    var delta = Math.floor((now.getTime() - ref.getTime()) / 1000);

    var str;
    if (delta < 60) {
        str = '直前';
    } else if (delta <= 86400) {
        // less than 1 day
        var hours = Math.floor(delta / 3600);
        var min = Math.floor((delta % 3600) / 60);
        if (hours == 1)
            str = '1 時間前';
        else if (hours > 1)
            str = '2 時間前'.replace(/2/, hours);
        else if (min == 1)
            str = '1 分前';
        else
            str = '2 分前'.replace(/2/, min);
    } else if (delta <= 604800) {
        // less than 1 week
        var days = Math.floor(delta / 86400);
        var hours = Math.floor((delta % 86400) / 3600);
        if (days == 1)
            str = '1 日前';
        else if (days > 1)
            str = '2 日前'.replace(/2/, days);
        else if (hours == 1)
            str = '1 時間前';
        else
            str = '2 時間前'.replace(/2/, hours);
    }
    return str ? str : fds;
}


function mtEditLink(entry_id, author_id) {
    var u = mtGetUser();
    if (! u) return;
    if (! entry_id) return;
    if (! author_id) return;
    if (u.id != author_id) return;
    var link = '<a href="mt.cgi?__mode=view&amp;_type=entry&amp;id=' + entry_id + '">編集</a>';
    document.write(link);
}


function mtCommentFormOnFocus() {
    // if CAPTCHA is enabled, this causes the captcha image to be
    // displayed if it hasn't been already.
    mtShowCaptcha();
}


var mtCaptchaVisible = false;
function mtShowCaptcha() {
    var u = mtGetUser();
    if ( u && u.is_authenticated ) return;
    if (mtCaptchaVisible) return;
    var div = document.getElementById('comments-open-captcha');
    if (div) {
        div.innerHTML = '';
        mtCaptchaVisible = true;
    }
}



var is_preview;
var user;

function mtSetUser(u) {
    if (u) {
        // persist this
        user = u;
        mtSaveUser();
        // sync up user greeting
        mtFireEvent('usersignin');
    }
}


function mtEscapeJS(s) {
    s = s.replace(/'/g, "&apos;");
    return s;
}


function mtUnescapeJS(s) {
    s = s.replace(/&apos;/g, "'");
    return s;
}


function mtBakeUserCookie(u) {
    var str = "";
    if (u.name) str += "name:'" + mtEscapeJS(u.name) + "';";
    if (u.url) str += "url:'" + mtEscapeJS(u.url) + "';";
    if (u.email) str += "email:'" + mtEscapeJS(u.email) + "';";
    if (u.is_authenticated) str += "is_authenticated:'1';";
    if (u.profile) str += "profile:'" + mtEscapeJS(u.profile) + "';";
    if (u.userpic) str += "userpic:'" + mtEscapeJS(u.userpic) + "';";
    if (u.sid) str += "sid:'" + mtEscapeJS(u.sid) + "';";
    str += "is_trusted:'" + (u.is_trusted ? "1" : "0") + "';";
    str += "is_author:'" + (u.is_author ? "1" : "0") + "';";
    str += "is_banned:'" + (u.is_banned ? "1" : "0") + "';";
    str += "can_post:'" + (u.can_post ? "1" : "0") + "';";
    str += "can_comment:'" + (u.can_comment ? "1" : "0") + "';";
    str = str.replace(/;$/, '');
    return str;
}


function mtUnbakeUserCookie(s) {
    if (!s) return;

    var u = {};
    var m;
    while (m = s.match(/^((name|url|email|is_authenticated|profile|userpic|sid|is_trusted|is_author|is_banned|can_post|can_comment):'([^']+?)';?)/)) {
        s = s.substring(m[1].length);
        if (m[2].match(/^(is|can)_/)) // boolean fields
            u[m[2]] = m[3] == '1' ? true : false;
        else
            u[m[2]] = mtUnescapeJS(m[3]);
    }
    if (u.is_authenticated) {
        u.is_anonymous = false;
    } else {
        u.is_anonymous = true;
        u.can_post = false;
        u.is_author = false;
        u.is_banned = false;
        u.is_trusted = false;
    }
    return u;
}


function mtGetUser() {
    if (!user) {
        var cookie = mtGetCookie(mtCookieName);
        if (!cookie) return;
        user = mtUnbakeUserCookie(cookie);
        if (! user) {
            user = {};
            user.is_anonymous = true;
            user.can_post = false;
            user.is_author = false;
            user.is_banned = false;
            user.is_trusted = false;
        }
    }
    return user;
}


var mtFetchedUser = false;

function mtFetchUser(cb) {
    if (!cb) cb = 'mtSetUser';
    if ( ( cb == 'mtSetUser' ) && mtGetUser() ) {
        var url = document.URL;
        url = url.replace(/#.+$/, '');
        url += '#comments-open';
        location.href = url;
    } else {
        // we aren't using AJAX for this, since we may have to request
        // from a different domain. JSONP to the rescue.
        mtFetchedUser = true;
        var script = document.createElement('script');
        var ts = new Date().getTime();
        script.src = 'http://business-affiliate.net/mt/mt-comments.cgi?__mode=session_js&blog_id=1&jsonp=' + cb + '&ts=' + ts;
        (document.getElementsByTagName('head'))[0].appendChild(script);
    }
}



function mtRememberMeOnClick(b) {
    if (!b.checked)
        mtClearUser(b.form);
    return true;
}



var mtRequestSubmitted = false;
function mtCommentOnSubmit(f) {
    if (!mtRequestSubmitted) {
        mtRequestSubmitted = true;

        if (f.armor)
            f.armor.value = '9c7f3b8d8b51529c93bdef11d4ad77e39fd4aef3';
        if (f.bakecookie && f.bakecookie.checked)
            mtSaveUser(f);

        // disable submit buttons
        if (f.preview_button) f.preview_button.disabled = true;
        if (f.post) f.post.disabled = true;

        var u = mtGetUser();
        if ( !is_preview && ( u && u.is_authenticated ) ) {
            // validate session; then submit
            mtFetchedUser = false;
            mtFetchUser('mtCommentSessionVerify');
            return false;
        }

        return true;
    }
    return false;
}

function mtCommentSessionVerify(app_user) {
    var u = mtGetUser();
    var f = document['comments_form'];
    if ( u && app_user && app_user.sid && ( u.sid == app_user.sid ) ) {
        f.submit();
    } else {
        alert('セッションの有効期限が切れています。再度サインインしてください。');
        mtClearUser();
        mtFireEvent('usersignin');

    }
}

function mtUserOnLoad() {
    var u = mtGetUser();

    // if the user is authenticated, hide the 'anonymous' fields
    // and any captcha input if already shown
    if ( document.getElementById('comments-form')) {
        if ( u && u.is_authenticated ) {
            mtShow('comments-form');
            mtHide('comments-open-data');
            if (mtCaptchaVisible)
                mtHide('comments-open-captcha');
        } else {

        }
        if ( u && u.is_banned )
            mtHide('comments-form');

        // if we're previewing a comment, make sure the captcha
        // field is visible
        if (is_preview)
            mtShowCaptcha();
        else
            mtShowGreeting();

        // populate anonymous comment fields if user is cookied as anonymous
        var cf = document['comments_form'];
        if (cf) {
            if (u && u.is_anonymous) {
                if (u.email) cf.email.value = u.email;
                if (u.name) cf.author.value = u.name;
                if (u.url) cf.url.value = u.url;
                if (cf.bakecookie)
                    cf.bakecookie.checked = u.name || u.email;
            } else {
                if (u && u.sid && cf.sid)
                    cf.sid.value = u.sid;
            }
            if (cf.post.disabled)
                cf.post.disabled = false;
            if (cf.preview_button.disabled)
                cf.preview_button.disabled = false;
            mtRequestSubmitted = false;
        }
    }
}




function mtEntryOnLoad() {
    
    
    mtFireEvent('usersignin');
}

function mtEntryOnUnload() {
    if (mtRequestSubmitted) {
        var cf = document['comments_form'];
        if (cf) {
            if (cf.post && cf.post.disabled)
                cf.post.disabled = false;
            if (cf.preview_button && cf.preview_button.disabled)
                cf.preview_button.disabled = false;
        }
        mtRequestSubmitted = false;
    }
    return true;
}

mtAttachEvent('usersignin', mtUserOnLoad);



function mtSignIn() {
    var doc_url = document.URL;
    doc_url = doc_url.replace(/#.+/, '');
    var url = 'http://business-affiliate.net/mt/mt-comments.cgi?__mode=login&blog_id=1';
    if (is_preview) {
        if ( document['comments_form'] ) {
            var entry_id = document['comments_form'].entry_id.value;
            url += '&entry_id=' + entry_id;
        } else {
            url += '&return_url=http%3A%2F%2Fbusiness-affiliate.net%2F';
        }
    } else {
        url += '&return_url=' + encodeURIComponent(doc_url);
    }
    mtClearUser();
    location.href = url;
}

function mtSignInOnClick(sign_in_element) {
    var el;
    if (sign_in_element) {
        // display throbber
        el = document.getElementById(sign_in_element);
        if (!el)  // legacy MT 4.x element id
            el = document.getElementById('comment-form-external-auth');
    }
    if (el)
        el.innerHTML = 'サインインします... <span class="status-indicator">&nbsp;</span>';

    mtClearUser(); // clear any 'anonymous' user cookie to allow sign in
    mtFetchUser('mtSetUserOrLogin');
    return false;
}

function mtSetUserOrLogin(u) {
    if (u && u.is_authenticated) {
        mtSetUser(u);
    } else {
        // user really isn't logged in; so let's do this!
        mtSignIn();
    }
}


function mtSignOut(entry_id) {
    mtClearUser();
    var doc_url = document.URL;
    doc_url = doc_url.replace(/#.+/, '');
    var url = 'http://business-affiliate.net/mt/mt-comments.cgi?__mode=handle_sign_in&static=0&logout=1';
    if (is_preview) {
        if ( document['comments_form'] ) {
            var entry_id = document['comments_form'].entry_id.value;
            url += '&entry_id=' + entry_id;
        } else {
            url += '&return_url=http%3A%2F%2Fbusiness-affiliate.net%2F';
        }
    } else {
        url += '&return_url=' + encodeURIComponent(doc_url);
    }
    location.href = url;
}


function mtSignOutOnClick() {
    mtSignOut();
    return false;
}



function mtShowGreeting() {

    var reg_reqd = false;

    var cf = document['comments_form'];
    if (!cf) return;

    var el = document.getElementById('comment-greeting');
    if (!el)  // legacy MT 4.x element id
        el = document.getElementById('comment-form-external-auth');
    if (!el) return;

    var eid = cf.entry_id;
    var entry_id;
    if (eid) entry_id = eid.value;

    var phrase;
    var u = mtGetUser();

    if ( u && u.is_authenticated ) {
        if ( u.is_banned ) {
            phrase = 'このブログにコメントする権限を持っていません。(\<a href=\"javas\cript:void(0);\" onclick=\"return mtSignOutOnClick();\"\>サインアウトする\<\/a\>)';
        } else {
            var user_link;
            if ( u.is_author ) {
                user_link = '<a href="http://business-affiliate.net/mt/mt-comments.cgi?__mode=edit_profile&return_url=' + encodeURIComponent( location.href );
                user_link += '">' + u.name + '</a>';
            } else {
                // registered user, but not a user with posting rights
                if (u.url)
                    user_link = '<a href="' + u.url + '">' + u.name + '</a>';
                else
                    user_link = u.name;
            }
            // TBD: supplement phrase with userpic if one is available.
            phrase = '__NAME__としてサインインしています。(\<a href=\"javas\cript:void(0)\" onclick=\"return mtSignOutOnClick();\"\>サインアウト\<\/a\>)';
            phrase = phrase.replace(/__NAME__/, user_link);
        }
    } else {
        if (reg_reqd) {
            phrase = 'コメントするにはまず\<a href=\"javas\cript:void(0)\" onclick=\"return mtSignInOnClick(\'comment-greeting\')\"\>サインイン\<\/a\>してください。';
        } else {
            phrase = 'コメントする前に\<a href=\"javas\cript:void(0)\" onclick=\"return mtSignInOnClick(\'comment-greeting\')\"\>サインイン\<\/a\>することもできます。';
        }
    }
    el.innerHTML = phrase;

}



function mtReplyCommentOnClick(parent_id, author) {
    mtShow('comment-form-reply');

    var checkbox = document.getElementById('comment-reply');
    var label = document.getElementById('comment-reply-label');
    var text = document.getElementById('comment-text');

    // Populate label with new values
    var reply_text = '\<a href=\"#comment-__PARENT__\" onclick=\"location.href=this.href; return false\"\>__AUTHOR__からのコメント\<\/a\>に返信';
    reply_text = reply_text.replace(/__PARENT__/, parent_id);
    reply_text = reply_text.replace(/__AUTHOR__/, author);
    label.innerHTML = reply_text;

    checkbox.value = parent_id; 
    checkbox.checked = true;
    try {
        // text field may be hidden
        text.focus();
    } catch(e) {
    }

    mtSetCommentParentID();
}


function mtSetCommentParentID() {
    var checkbox = document.getElementById('comment-reply');
    var parent_id_field = document.getElementById('comment-parent-id');
    if (!checkbox || !parent_id_field) return;

    var pid = 0;
    if (checkbox.checked == true)
        pid = checkbox.value;
    parent_id_field.value = pid;
}


function mtSaveUser(f) {
    // We can't reliably store the user cookie during a preview.
    if (is_preview) return;

    var u = mtGetUser();

    if (f && (!u || u.is_anonymous)) {
        if ( !u ) {
            u = {};
            u.is_authenticated = false;
            u.can_comment = true;
            u.is_author = false;
            u.is_banned = false;
            u.is_anonymous = true;
            u.is_trusted = false;
        }
        if (f.author != undefined) u.name = f.author.value;
        if (f.email != undefined) u.email = f.email.value;
        if (f.url != undefined) u.url = f.url.value;
    }

    if (!u) return;

    var cache_period = mtCookieTimeout * 1000;

    // cache anonymous user info for a long period if the
    // user has requested to be remembered
    if (u.is_anonymous && f && f.bakecookie && f.bakecookie.checked)
        cache_period = 365 * 24 * 60 * 60 * 1000;

    var now = new Date();
    mtFixDate(now);
    now.setTime(now.getTime() + cache_period);

    var cmtcookie = mtBakeUserCookie(u);
    mtSetCookie(mtCookieName, cmtcookie, now, mtCookiePath, mtCookieDomain,
        location.protocol == 'https:');
}


function mtClearUser() {
    user = null;
    mtDeleteCookie(mtCookieName, mtCookiePath, mtCookieDomain,
        location.protocol == 'https:');
}


function mtSetCookie(name, value, expires, path, domain, secure) {
    if (domain && domain.match(/^\.?localhost$/))
        domain = null;
    var curCookie = name + "=" + escape(value) +
        (expires ? "; expires=" + expires.toGMTString() : "") +
        (path ? "; path=" + path : "") +
        (domain ? "; domain=" + domain : "") +
        (secure ? "; secure" : "");
    document.cookie = curCookie;
}


function mtGetCookie(name) {
    var prefix = name + '=';
    var c = document.cookie;
    var cookieStartIndex = c.indexOf(prefix);
    if (cookieStartIndex == -1)
        return '';
    var cookieEndIndex = c.indexOf(";", cookieStartIndex + prefix.length);
    if (cookieEndIndex == -1)
        cookieEndIndex = c.length;
    return unescape(c.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}


function mtDeleteCookie(name, path, domain, secure) {
    if (mtGetCookie(name)) {
        if (domain && domain.match(/^\.?localhost$/))
            domain = null;
        document.cookie = name + "=" +
            (path ? "; path=" + path : "") +
            (domain ? "; domain=" + domain : "") +
            (secure ? "; secure" : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function mtFixDate(date) {
    var skew = (new Date(0)).getTime();
    if (skew > 0)
        date.setTime(date.getTime() - skew);
}


function mtGetXmlHttp() {
    if ( !window.XMLHttpRequest ) {
        window.XMLHttpRequest = function() {
            var types = [
                "Microsoft.XMLHTTP",
                "MSXML2.XMLHTTP.5.0",
                "MSXML2.XMLHTTP.4.0",
                "MSXML2.XMLHTTP.3.0",
                "MSXML2.XMLHTTP"
            ];

            for ( var i = 0; i < types.length; i++ ) {
                try {
                    return new ActiveXObject( types[ i ] );
                } catch( e ) {}
            }

            return undefined;
        };
    }
    if ( window.XMLHttpRequest )
        return new XMLHttpRequest();
}

// BEGIN: fast browser onload init
// Modifications by David Davis, DWD
// Dean Edwards/Matthias Miller/John Resig
// http://dean.edwards.name/weblog/2006/06/again/?full#comment5338

function mtInit() {
    // quit if this function has already been called
    if (arguments.callee.done) return;

    // flag this function so we don't do the same thing twice
    arguments.callee.done = true;

    // kill the timer
    // DWD - check against window
    if ( window._timer ) clearInterval(window._timer);

    // DWD - fire the window onload now, and replace it
    if ( window.onload && ( window.onload !== window.mtInit ) ) {
        window.onload();
        window.onload = function() {};
    }
}

/* for Mozilla/Opera9 */
if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", mtInit, false);
}

/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_win32)
document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
var script = document.getElementById("__ie_onload");
script.onreadystatechange = function() {
    if (this.readyState == "complete") {
        mtInit(); // call the onload handler
    }
};
/*@end @*/

/* for Safari */
if (/WebKit/i.test(navigator.userAgent)) { // sniff
    _timer = setInterval(function() {
        if (/loaded|complete/.test(document.readyState)) {
            mtInit(); // call the onload handler
        }
    }, 10);
}

/* for other browsers */
window.onload = mtInit;

// END: fast browser onload init



/***
 * If request contains a '#_login' or '#_logout' hash, use this to
 * also delete the blog-side user cookie, since we're coming back from
 * a login, logout or edit profile operation.
 */
var clearCookie = ( window.location.hash && window.location.hash.match( /^#_log(in|out)/ ) ) ? true : false;
if (clearCookie) {
    // clear any logged in state
    mtClearUser();
    if (RegExp.$1 == 'in')
        mtFetchUser();
} else {
    
    if ( is_preview && !user )
        mtFetchUser();
}



function backToTop() {
  var x1 = x2 = x3 = 0;
  var y1 = y2 = y3 = 0;
  if (document.documentElement) {
      x1 = document.documentElement.scrollLeft || 0;
      y1 = document.documentElement.scrollTop || 0;
  }
  if (document.body) {
      x2 = document.body.scrollLeft || 0;
      y2 = document.body.scrollTop || 0;
  }
  x3 = window.scrollX || 0;
  y3 = window.scrollY || 0;
  var x = Math.max(x1, Math.max(x2, x3));
  var y = Math.max(y1, Math.max(y2, y3));
  window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
  if (x > 0 || y > 0) {
      window.setTimeout("backToTop()", 25);
  }
}


var is_loaded = false;
var backnumber_url_list;
var entries;
var search_keyword;
var result_content;
var timerId;

load_center_id();
function load_center_id() {
    var center = document.getElementById( 'center' );
    if ( center ) {
        ligting_search_keyword( center );
    } else {
        window.setTimeout( 'load_center_id()', 5000 );
    }
}

function ligting_search_keyword( center ) {
    var args = getHashArgs();
    var searched_keyword = args.search_word;
    if ( searched_keyword ) {
        searched_keyword = searched_keyword.replace( /([\/\\\.\*\+\?\|\(\)\[\]\{\}\$\^])/g, "\\$1" );
        searched_keyword = searched_keyword.replace( /( +|　+)/, ' ' );
        searched_keyword = searched_keyword.replace( /( |　)$/, '' );
        var keywords = searched_keyword.split(/ |　/);
        var h3 = center.getElementsByTagName( 'h3' );
        h3[0].innerHTML = highlight( h3[0].innerHTML, keywords );
        var div = center.getElementsByTagName( 'div' );
        for ( var i = 0; i < div.length; i++ ) {
            if ( div[i].className == 'entry-body-text' || div[i].className == 'comment-content' ) {	//	patched by furyu: add 'comment-content'
                div[i].innerHTML = highlight( div[i].innerHTML, keywords );
            }
        }
    }
}

function getHashArgs () {
    var args = new Object();
    var query = location.href.replace(/.*?#/,"");
   query = decodeURIComponent( query );
    var pairs = query.split("&");
    for ( var i = 0; i < pairs.length; i++ ) {
        var pos = pairs[i].indexOf('=');
        if ( pos == -1 ) continue;
        var argname = pairs[i].substring( 0, pos );
        var value = pairs[i].substring( pos + 1 );
        args[argname] = value;
    }
    return args;
}

function blogAjaxJsonSearch( archive_file_path, text ) {
    search_keyword = text;
    var div_tag = document.getElementsByTagName('div');
    for ( var i = 0; i < div_tag.length; i ++ ) {
        if ( div_tag[i].className == 'result' ) { // Pached by Dificlo
            result_content = div_tag[i];
        }
    }
    result_content.innerHTML = 'now searching.';
    added_period( result_content );
    if ( is_loaded ) {
        search();
    } else {
        new Ajax.Request( archive_file_path, {method: 'get', onComplete: function(request){ parse_archive_data( request ); } } );    
    }
}

function added_period( content ) {
    if ( !is_loaded ) {
        result_content.innerHTML += '.';
        timerId = setTimeout("added_period()", 50 );
    }
}

function parse_archive_data( request ) {
        var data_string = request.responseText;
        data_string = data_string.replace( new RegExp( '<.*?>', "i"), '' )
        entries = eval( data_string );
        search();
}

function show_all_backnumbers() {
    var text = '<ol type=1 start=1 style="text-align:left;">';
    for ( var i = 0; i < entries.length-1; i++ ) {	//	patched by furyu: entries.length => entries.length-1
        text += '<li><a href="' + entries[i].link + '">' +entries[i].title + '</a</li>';
    }
    text += '</ol>';
    document.getElementById('center').innerHTML = text;
}

function search() {
    var result_data = new Array();
    search_keyword=search_keyword.replace( /([\/\\\.\*\+\?\|\(\)\[\]\{\}\$\^])/g, "\\$1" );
    search_keyword = search_keyword.replace( /( +|　+)/, ' ' );
    search_keyword = search_keyword.replace( /( |　)$/, '' );
    var keywords = search_keyword.split(/ |　/);
    var key = new Array();
    for (var i= 0;i<keywords.length;i++) {
        key[ key.length ] = new RegExp( keywords[i], "i" );
    }
    for ( var i= 0; i<entries.length-1; i++ ) {	//	patched by furyu: entries.length => entries.length-1
        var is_match = true;
        for ( var j= 0; j<key.length; j++ ) {
            var res_body = key[j].exec( entries[i].body );
            var res_title = key[j].exec( entries[i].title );
            if ( !res_body && !res_title ) {
                is_match = false;
            }
        }
        if ( is_match ) {

            result_data[ result_data.length ] = entries[i];
        }
    }
    var result_html = '';
    if ( result_data.length == 0 ) {
        result_html = build_no_result_html( result_data, keywords ); // Pached by Digiclo
    } else {
        result_html = build_search_result_html( result_data, keywords );
    }
    var div = window.document.getElementsByTagName('div');
//	var content;
//	var original_content_html = '';
//	for ( var i = 0; i < div.length; i ++ ) {
//		if ( div[i].className == 'content' ) {
//			content = div[i];
//			original_content_html = content.innerHTML;
//		}
//	}
    is_loaded = true;
    clearTimeout(timerId);
    result_content.innerHTML = result_html;
}

function build_search_result_html( result_data, keywords ) {
    var html = '<h2 class="retrieval">検索結果の表示</h2><p class="serch-result-count">検索結果…<strong>' + result_data.length + '</strong>件ヒットしました。</p><div class="result-list""><ol type=1 start=1>';
    for ( var i= 0; i<result_data.length; i++ ) {
    	html += '<li class="result-list-text"><a href="' + result_data[i].link + '#search_word=' + search_keyword + '">' + highlight( result_data[i].title, keywords ) + '</a><br />' + highlight( trunc( result_data[i].body, keywords[0] ), keywords ) + '</li>';
    }
    html += '</ol></div><div class="move-c"><ul><li class="left"><a href="#" class="before-retrieves" title="前のページへ戻る" onclick="location.reload(true); return false;" onkeypress="location.reload(true); return false;">前のページへ戻る</a></li><li class="left"><a href="#" onclick="backToTop(); return false" class="page-top" title="このページの先頭へ">このページの先頭へ</a></li><li class="left"><a href="/" class="blog-top" title="無料ブログでアフィリエイト日記へ" >ブログトップへ</a></li></ul></div>';
    return html;
}
// Add by Digiclo
function build_no_result_html( result_data, keywords ) {
    var html = '<h2 class="retrieval">検索結果の表示</h2><p class="serch-result-count">検索結果は<strong>0</strong>件でした。</p><ol type=1 start=1 class="result-list">';
html += '</ol><div class="move-c"><ul><li class="left"><a href="#" class="before-retrieves" title="前のページへ戻る" onclick="location.reload(true); return false;" onkeypress="location.reload(true); return false;">前のページへ戻る</a></li><li class="left"><a href="#" onclick="backToTop(); return false" class="page-top" title="このページの先頭へ">このページの先頭へ</a></li><li class="left"><a href="/" class="blog-top" title="無料ブログでアフィリエイト日記へ" >ブログトップへ</a></li></ul></div>';
    return html;
}

function trunc( text, keyword ) {
    var key = new RegExp( keyword, "i" );
    var res = key.exec( text );

    if ( res ) {
    	var index  = res.index;
    	var length = res[0].length;
    	var start;
    	var end;

    	start = index - 20;
    	end = 55;
    	text = text.substring( start, index ) + text.substr( index, length ) + text.substr( index + length, end ) +'...';
    } else {
        text = text.substring( start, 50 );
    }
    return text;
}

function highlight( text, keywords ) {
    var keyword = '';
    for ( var i= 0; i<keywords.length; i++ ) {
        if ( i == keywords.length - 1 ) {
            keyword += keywords[i];
        } else {
            keyword += keywords[i] + '|'; 
        }
    }
    return text.replace( new RegExp( '(' + keyword + ')', "ig"), '<span style="background-color: #fff692;">' + "$1" + '</span>' );
}


var Prototype = {
  Version: '1.4.0_rc2',

  emptyFunction: function() {},
  K: function(x) {return x}
}

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

Object.extend = function(destination, source) {
  for (property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Object.inspect = function(object) {
  try {
    if (object == undefined) return 'undefined';
    if (object == null) return 'null';
    return object.inspect ? object.inspect() : object.toString();
  } catch (e) {
    if (e instanceof RangeError) return '...';
    throw e;
  }
}

Function.prototype.bind = function(object) {
  var __method = this;
  return function() {
    return __method.apply(object, arguments);
  }
}

Function.prototype.bindAsEventListener = function(object) {
  var __method = this;
  return function(event) {
    return __method.call(object, event || window.event);
  }
}

Object.extend(Number.prototype, {
  toColorPart: function() {
    var digits = this.toString(16);
    if (this < 16) return '0' + digits;
    return digits;
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  }
});

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0; i < arguments.length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) {}
    }

    return returnValue;
  }
}

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
}

/*--------------------------------------------------------------------------*/

function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}
Object.extend(String.prototype, {
  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  escapeHTML: function() {
    var div = document.createElement('div');
    var text = document.createTextNode(this);
    div.appendChild(text);
    return div.innerHTML;
  },

  unescapeHTML: function() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
  },

  toQueryParams: function() {
    var pairs = this.match(/^\??(.*)$/)[1].split('&');
    return pairs.inject({}, function(params, pairString) {
      var pair = pairString.split('=');
      params[pair[0]] = pair[1];
      return params;
    });
  },

  toArray: function() {
    return this.split('');
  },

  camelize: function() {
    var oStringList = this.split('-');
    if (oStringList.length == 1) return oStringList[0];

    var camelizedString = this.indexOf('-') == 0
      ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
      : oStringList[0];

    for (var i = 1, len = oStringList.length; i < len; i++) {
      var s = oStringList[i];
      camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
    }

    return camelizedString;
  },

  inspect: function() {
    return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
  }
});

String.prototype.parseQuery = String.prototype.toQueryParams;

var $break    = new Object();
var $continue = new Object();

var Enumerable = {
  each: function(iterator) {
    var index = 0;
    try {
      this._each(function(value) {
        try {
          iterator(value, index++);
        } catch (e) {
          if (e != $continue) throw e;
        }
      });
    } catch (e) {
      if (e != $break) throw e;
    }
  },

  all: function(iterator) {
    var result = true;
    this.each(function(value, index) {
      if (!(result &= (iterator || Prototype.K)(value, index)))
        throw $break;
    });
    return result;
  },

  any: function(iterator) {
    var result = true;
    this.each(function(value, index) {
      if (result &= (iterator || Prototype.K)(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      results.push(iterator(value, index));
    });
    return results;
  },

  detect: function (iterator) {
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(pattern, iterator) {
    var results = [];
    this.each(function(value, index) {
      var stringValue = value.toString();
      if (stringValue.match(pattern))
        results.push((iterator || Prototype.K)(value, index));
    })
    return results;
  },

  include: function(object) {
    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inject: function(memo, iterator) {
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.collect(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (value >= (result || value))
        result = value;
    });
    return result;
  },

  min: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (value <= (result || value))
        result = value;
    });
    return result;
  },

  partition: function(iterator) {
    var trues = [], falses = [];
    this.each(function(value, index) {
      ((iterator || Prototype.K)(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value, index) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator) {
    return this.collect(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.collect(Prototype.K);
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (typeof args.last() == 'function')
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      iterator(value = collections.pluck(index));
      return value;
    });
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
}

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0; i < iterable.length; i++)
      results.push(iterable[i]);
    return results;
  }
}

Object.extend(Array.prototype, Enumerable);

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0; i < this.length; i++)
      iterator(this[i]);
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != undefined || value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(value.constructor == Array ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  indexOf: function(object) {
    for (var i = 0; i < this.length; i++)
      if (this[i] == object) return i;
    return false;
  },

  reverse: function() {
    var result = [];
    for (var i = this.length; i > 0; i--)
      result.push(this[i-1]);
    return result;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }
});
var Hash = {
  _each: function(iterator) {
    for (key in this) {
      var value = this[key];
      if (typeof value == 'function') continue;

      var pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  },

  keys: function() {
    return this.pluck('key');
  },

  values: function() {
    return this.pluck('value');
  },

  merge: function(hash) {
    return $H(hash).inject($H(this), function(mergedHash, pair) {
      mergedHash[pair.key] = pair.value;
      return mergedHash;
    });
  },

  toQueryString: function() {
    return this.map(function(pair) {
      return pair.map(encodeURIComponent).join('=');
    }).join('&');
  },

  inspect: function() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }
}

function $H(object) {
  var hash = Object.extend({}, object || {});
  Object.extend(hash, Enumerable);
  Object.extend(hash, Hash);
  return hash;
}
var Range = Class.create();
Object.extend(Range.prototype, Enumerable);
Object.extend(Range.prototype, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    do {
      iterator(value);
      value = value.succ();
    } while (this.include(value));
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new Range(start, end, exclusive);
}

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')},
      function() {return new XMLHttpRequest()}
    ) || false;
  },

  activeRequestCount: 0
}

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responderToAdd) {
    if (!this.include(responderToAdd))
      this.responders.push(responderToAdd);
  },


  unregister: function(responderToRemove) {
    this.responders = this.responders.without(responderToRemove);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (responder[callback] && typeof responder[callback] == 'function') {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) {
        }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate: function() {
    Ajax.activeRequestCount++;
  },

  onComplete: function() {
    Ajax.activeRequestCount--;
  }
});

Ajax.Base = function() {};
Ajax.Base.prototype = {
  setOptions: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      parameters:   ''
    }
    Object.extend(this.options, options || {});
  },

  responseIsSuccess: function() {
    return this.transport.status == undefined
        || this.transport.status == 0
        || (this.transport.status >= 200 && this.transport.status < 300);
  },

  responseIsFailure: function() {
    return !this.responseIsSuccess();
  }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    this.request(url);
  },

  request: function(url) {
    var parameters = this.options.parameters || '';
    if (parameters.length > 0) parameters += '&_=';

    try {
      this.url = url;
      if (this.options.method == 'get' && parameters.length > 0)
        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;

      Ajax.Responders.dispatch('onCreate', this, this.transport);

      this.transport.open(this.options.method, this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) {
        this.transport.onreadystatechange = this.onStateChange.bind(this);
        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
      }

      this.setRequestHeaders();

      var body = this.options.postBody ? this.options.postBody : parameters;
      this.transport.send(this.options.method == 'post' ? body : null);

    } catch (e) {
      (this.options.onException || Prototype.emptyFunction)(this, e);
      Ajax.Responders.dispatch('onException', this, e);
    }
  },

  setRequestHeaders: function() {
    var requestHeaders =
      ['X-Requested-With', 'XMLHttpRequest',
       'X-Prototype-Version', Prototype.Version];

    if (this.options.method == 'post') {
      requestHeaders.push('Content-type',
        'application/x-www-form-urlencoded');

      /* Force "Connection: close" for Mozilla browsers to work around
       * a bug where XMLHttpReqeuest sends an incorrect Content-length
       * header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType)
        requestHeaders.push('Connection', 'close');
    }

    if (this.options.requestHeaders)
      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);

    for (var i = 0; i < requestHeaders.length; i += 2)
      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState != 1)
      this.respondToReadyState(this.transport.readyState);
  },

  evalJSON: function() {
    try {
      var json = this.transport.getResponseHeader('X-JSON'), object;
      object = eval(json);
      return object;
    } catch (e) {
    }
  },

  respondToReadyState: function(readyState) {
    var event = Ajax.Request.Events[readyState];
    var transport = this.transport, json = this.evalJSON();

    if (event == 'Complete')
      (this.options['on' + this.transport.status]
       || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
       || Prototype.emptyFunction)(transport, json);

    (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
    Ajax.Responders.dispatch('on' + event, this, transport, json);

    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
    if (event == 'Complete')
      this.transport.onreadystatechange = Prototype.emptyFunction;
  }
});

Ajax.Updater = Class.create();
Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';

Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
  initialize: function(container, url, options) {
    this.containers = {
      success: container.success ? $(container.success) : $(container),
      failure: container.failure ? $(container.failure) :
        (container.success ? null : $(container))
    }

    this.transport = Ajax.getTransport();
    this.setOptions(options);

    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function(transport, object) {
      this.updateContent();
      onComplete(transport, object);
    }).bind(this);

    this.request(url);
  },

  updateContent: function() {
    var receiver = this.responseIsSuccess() ?
      this.containers.success : this.containers.failure;

    var match    = new RegExp(Ajax.Updater.ScriptFragment, 'img');
    var response = this.transport.responseText.replace(match, '');
    var scripts  = this.transport.responseText.match(match);

    if (receiver) {
      if (this.options.insertion) {
        new this.options.insertion(receiver, response);
      } else {
        receiver.innerHTML = response;
      }
    }

    if (this.responseIsSuccess()) {
      if (this.onComplete)
        setTimeout(this.onComplete.bind(this), 10);
    }

    if (this.options.evalScripts && scripts) {
      match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
      setTimeout((function() {
        for (var i = 0; i < scripts.length; i++)
          eval(scripts[i].match(match)[1]);
      }).bind(this), 10);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(container, url, options) {
    this.setOptions(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = {};
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(request) {
    if (this.options.decay) {
      this.decay = (request.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = request.responseText;
    }
    this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
document.getElementsByClassName = function(className, parentElement) {
  var children = ($(parentElement) || document.body).getElementsByTagName('*');
  return $A(children).inject([], function(elements, child) {
    if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
      elements.push(child);
    return elements;
  });
}

/*--------------------------------------------------------------------------*/

if (!window.Element) {
  var Element = new Object();
}

Object.extend(Element, {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      Element[Element.visible(element) ? 'hide' : 'show'](element);
    }
  },

  hide: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display = 'none';
    }
  },

  show: function() {
    for (var i = 0; i < arguments.length; i++) {
      var element = $(arguments[i]);
      element.style.display = '';
    }
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
  },

  getHeight: function(element) {
    element = $(element);
    return element.offsetHeight;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).include(className);
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).add(className);
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element.classNames(element).remove(className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    for (var i = 0; i < element.childNodes.length; i++) {
      var node = element.childNodes[i];
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        Element.remove(node);
    }
  },

  empty: function(element) {
    return $(element).innerHTML.match(/^\s*$/);
  },

  scrollTo: function(element) {
    element = $(element);
    var x = element.x ? element.x : element.offsetLeft,
        y = element.y ? element.y : element.offsetTop;
    window.scrollTo(x, y);
  },

  getStyle: function(element, style) {
    element = $(element);
    var value = element.style[style.camelize()];
    if (!value) {
      if (document.defaultView && document.defaultView.getComputedStyle) {
        var css = document.defaultView.getComputedStyle(element, null);
        value = css ? css.getPropertyValue(style) : null;
      } else if (element.currentStyle) {
        value = element.currentStyle[style.camelize()];
      }
    }

    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
      if (Element.getStyle(element, 'position') == 'static') value = 'auto';

    return value == 'auto' ? null : value;
  },

  getDimensions: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'display') != 'none')
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = '';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = 'none';
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return;
    element._overflow = element.style.overflow;
    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
      element.style.overflow = 'hidden';
  },

  undoClipping: function(element) {
    element = $(element);
    if (element._overflow) return;
    element.style.overflow = element._overflow;
    element._overflow = undefined;
  }
});

var Toggle = new Object();
Toggle.display = Element.toggle;

/*--------------------------------------------------------------------------*/

Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content;

    if (this.adjacency && this.element.insertAdjacentHTML) {
      try {
        this.element.insertAdjacentHTML(this.adjacency, this.content);
      } catch (e) {
        if (this.element.tagName.toLowerCase() == 'tbody') {
          this.insertContent(this.contentFromAnonymousTable());
        } else {
          throw e;
        }
      }
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.insertContent([this.range.createContextualFragment(this.content)]);
    }
  },

  contentFromAnonymousTable: function() {
    var div = document.createElement('div');
    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
    return $A(div.childNodes[0].childNodes[0].childNodes);
  }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment, this.element);
    }).bind(this));
  }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(true);
  },

  insertContent: function(fragments) {
    fragments.reverse().each((function(fragment) {
      this.element.insertBefore(fragment, this.element.firstChild);
    }).bind(this));
  }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.appendChild(fragment);
    }).bind(this));
  }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
  initializeRange: function() {
    this.range.setStartAfter(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment,
        this.element.nextSibling);
    }).bind(this));
  }
});

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set(this.toArray().concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set(this.select(function(className) {
      return className != classNameToRemove;
    }));
  },

  toString: function() {
    return this.toArray().join(' ');
  }
}

Object.extend(Element.ClassNames.prototype, Enumerable);
var Field = {
  clear: function() {
    for (var i = 0; i < arguments.length; i++)
      $(arguments[i]).value = '';
  },

  focus: function(element) {
    $(element).focus();
  },

  present: function() {
    for (var i = 0; i < arguments.length; i++)
      if ($(arguments[i]).value == '') return false;
    return true;
  },

  select: function(element) {
    $(element).select();
  },

  activate: function(element) {
    $(element).focus();
    $(element).select();
  }
}

/*--------------------------------------------------------------------------*/

var Form = {
  serialize: function(form) {
    var elements = Form.getElements($(form));
    var queryComponents = new Array();

    for (var i = 0; i < elements.length; i++) {
      var queryComponent = Form.Element.serialize(elements[i]);
      if (queryComponent)
        queryComponents.push(queryComponent);
    }

    return queryComponents.join('&');
  },

  getElements: function(form) {
    form = $(form);
    var elements = new Array();

    for (tagName in Form.Element.Serializers) {
      var tagElements = form.getElementsByTagName(tagName);
      for (var j = 0; j < tagElements.length; j++)
        elements.push(tagElements[j]);
    }
    return elements;
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name)
      return inputs;

    var matchingInputs = new Array();
    for (var i = 0; i < inputs.length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) ||
          (name && input.name != name))
        continue;
      matchingInputs.push(input);
    }

    return matchingInputs;
  },

  disable: function(form) {
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.blur();
      element.disabled = 'true';
    }
  },

  enable: function(form) {
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      element.disabled = '';
    }
  },

  focusFirstElement: function(form) {
    form = $(form);
    var elements = Form.getElements(form);
    for (var i = 0; i < elements.length; i++) {
      var element = elements[i];
      if (element.type != 'hidden' && !element.disabled) {
        Field.activate(element);
        break;
      }
    }
  },

  reset: function(form) {
    $(form).reset();
  }
}

Form.Element = {
  serialize: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter)
      return encodeURIComponent(parameter[0]) + '=' +
        encodeURIComponent(parameter[1]);
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    var parameter = Form.Element.Serializers[method](element);

    if (parameter)
      return parameter[1];
  }
}

Form.Element.Serializers = {
  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'submit':
      case 'hidden':
      case 'password':
      case 'text':
        return Form.Element.Serializers.textarea(element);
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
    }
    return false;
  },

  inputSelector: function(element) {
    if (element.checked)
      return [element.name, element.value];
  },

  textarea: function(element) {
    return [element.name, element.value];
  },

  select: function(element) {
    return Form.Element.Serializers[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },

  selectOne: function(element) {
    var value = '', opt, index = element.selectedIndex;
    if (index >= 0) {
      opt = element.options[index];
      value = opt.value;
      if (!value && !('value' in opt))
        value = opt.text;
    }
    return [element.name, value];
  },

  selectMany: function(element) {
    var value = new Array();
    for (var i = 0; i < element.length; i++) {
      var opt = element.options[i];
      if (opt.selected) {
        var optValue = opt.value;
        if (!optValue && !('value' in opt))
          optValue = opt.text;
        value.push(optValue);
      }
    }
    return [element.name, value];
  }
}

/*--------------------------------------------------------------------------*/

var $F = Form.Element.getValue;

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
  initialize: function(element, frequency, callback) {
    this.frequency = frequency;
    this.element   = $(element);
    this.callback  = callback;

    this.lastValue = this.getValue();
    this.registerCallback();
  },

  registerCallback: function() {
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  onTimerEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
}

Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    var elements = Form.getElements(this.element);
    for (var i = 0; i < elements.length; i++)
      this.registerCallback(elements[i]);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          element.target = this;
          element.prev_onclick = element.onclick || Prototype.emptyFunction;
          element.onclick = function() {
            this.prev_onclick();
            this.target.onElementEvent();
          }
          break;
        case 'password':
        case 'text':
        case 'textarea':
        case 'select-one':
        case 'select-multiple':
          element.target = this;
          element.prev_onchange = element.onchange || Prototype.emptyFunction;
          element.onchange = function() {
            this.prev_onchange();
            this.target.onElementEvent();
          }
          break;
      }
    }
  }
}

Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) {
  var Event = new Object();
}

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,

  element: function(event) {
    return event.target || event.srcElement;
  },

  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },

  // find the first node with the given tagName, starting from the
  // node the event was triggered on; traverses the DOM upwards
  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },

  observers: false,

  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },

  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0; i < Event.observers.length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },

  observe: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.attachEvent))
      name = 'keydown';

    this._observeAndCache(element, name, observer, useCapture);
  },

  stopObserving: function(element, name, observer, useCapture) {
    var element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
        || element.detachEvent))
      name = 'keydown';

    if (element.removeEventListener) {
      element.removeEventListener(name, observer, useCapture);
    } else if (element.detachEvent) {
      element.detachEvent('on' + name, observer);
    }
  }
});

/* prevent memory leaks in IE */
Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  realOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return [valueL, valueT];
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return [valueL, valueT];
  },

  offsetParent: function(element) {
    if (element.offsetParent) return element.offsetParent;
    if (element == document.body) return element;

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return element;

    return document.body;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = this.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = this.realOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = this.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  clone: function(source, target) {
    source = $(source);
    target = $(target);
    target.style.position = 'absolute';
    var offsets = this.cumulativeOffset(source);
    target.style.top    = offsets[1] + 'px';
    target.style.left   = offsets[0] + 'px';
    target.style.width  = source.offsetWidth + 'px';
    target.style.height = source.offsetHeight + 'px';
  },

  page: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent==document.body)
        if (Element.getStyle(element,'position')=='absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      valueT -= element.scrollTop  || 0;
      valueL -= element.scrollLeft || 0;
    } while (element = element.parentNode);

    return [valueL, valueT];
  },

  clone: function(source, target) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || {})

    // find page position of source
    source = $(source);
    var p = Position.page(source);

    // find coordinate system to use
    target = $(target);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(target,'position') == 'absolute') {
      parent = Position.offsetParent(target);
      delta = Position.page(parent);
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
  },

  absolutize: function(element) {
    element = $(element);
    if (element.style.position == 'absolute') return;
    Position.prepare();

    var offsets = Position.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';;
    element.style.left   = left + 'px';;
    element.style.width  = width + 'px';;
    element.style.height = height + 'px';;
  },

  relativize: function(element) {
    element = $(element);
    if (element.style.position == 'relative') return;
    Position.prepare();

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
  }
}

// Safari returns margins on body which is incorrect if the child is absolutely
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
  Position.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return [valueL, valueT];
  }
}


function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


/* <![CDATA[ */
function nav(sel) {
   if (sel.selectedIndex == -1) return;
   var opt = sel.options[sel.selectedIndex];
   if (opt && opt.value)
      location.href = opt.value;
}
/* ]]> */



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