// Copyright (c) 1996-1997 Athenia Associates.
// http://www.webreference.com/js/
// License is granted if and only if this entire
// copyright notice is included. By Tomer Shiran.

function setCookie (name, value, expires, path, domain, secure) {
    var curCookie = name + "=" + escape(value) + (expires ? "; expires=" + expires : "") +
        (path ? "; path=" + path : "") + (domain ? "; domain=" + domain : "") + (secure ? "secure" : "");
    document.cookie = curCookie;
}

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

function deleteCookie (name, path, domain) {
    if (getCookie(name))
        document.cookie = name + "=" + ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
}

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

function rememberMe (f) {
    var now = new Date();
    fixDate(now);
    now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
    now = now.toGMTString();
    if (f.author != undefined)
       setCookie('mtcmtauth', f.author.value, now, '/', '', '');
    if (f.email != undefined)
       setCookie('mtcmtmail', f.email.value, now, '/', '', '');
    if (f.url != undefined)
       setCookie('mtcmthome', f.url.value, now, '/', '', '');
}

function forgetMe (f) {
    deleteCookie('mtcmtmail', '/', '');
    deleteCookie('mtcmthome', '/', '');
    deleteCookie('mtcmtauth', '/', '');
    f.email.value = '';
    f.author.value = '';
    f.url.value = '';
}

function hideDocumentElement(id) {
    var el = document.getElementById(id);
    if (el) el.style.display = 'none';
}

function showDocumentElement(id) {
    var el = document.getElementById(id);
    if (el) el.style.display = 'block';
}

var commenter_name;

function individualArchivesOnLoad(commenter_name) {
    hideDocumentElement('comments-open');

    hideDocumentElement('trackbacks-info');



    if (document.comments_form) {
        if (!commenter_name && (document.comments_form.email != undefined) &&
            (mtcmtmail = getCookie("mtcmtmail")))
            document.comments_form.email.value = mtcmtmail;
        if (!commenter_name && (document.comments_form.author != undefined) &&
            (mtcmtauth = getCookie("mtcmtauth")))
            document.comments_form.author.value = mtcmtauth;
        if (document.comments_form.url != undefined && 
            (mtcmthome = getCookie("mtcmthome")))
            document.comments_form.url.value = mtcmthome;
        if (document.comments_form["bakecookie"]) {
            if (mtcmtauth || mtcmthome) {
                document.comments_form.bakecookie.checked = true;
            } else {
                document.comments_form.bakecookie.checked = false;
            }
        }
    }
}

function writeTypeKeyGreeting(commenter_name, entry_id) {

}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

new function(){
    function setRollOver2(){
        if(!document.images){return;}
        var imgs = document.images;
        var insert = [];
        for(var i=0;i<imgs.length;i++){
            var splitname = imgs[i].src.split('_rollout.');
            if((splitname[1])&&(imgs[i].parentNode.tagName=='A')){
                var rolloverImg = document.createElement('img');
                rolloverImg.src = splitname[0]+'_rollover.'+splitname[1];
                var alpha = 0;
                rolloverImg.currentAlpha = alpha;
                rolloverImg.style.opacity = alpha/100;
                rolloverImg.style.filter = 'alpha(opacity='+alpha+')';
                rolloverImg.style.position = 'absolute';

                //ロールオーバー・アウト処理それぞれを設定
                addEvent(rolloverImg,'mouseover',function(){setFader(this,100);});
                addEvent(rolloverImg,'mouseout',function(){setFader(this,0);});

                // 後で追加するために追加場所と共に保存しておく
                // この時点で追加するとdocument.imagesが書き換わって不都合
                insert[insert.length] = {position:imgs[i],element:rolloverImg};
            }
        }
        // ↑で作ったロールオーバー画像を追加
        for(var i=0;i<insert.length;i++){
            var parent = insert[i].position.parentNode;
            parent.insertBefore(insert[i].element,insert[i].position);
        }
    }

    // 指定要素を指定透明度にするためのフェードアニメを設定する関数

    function setFader(targetObj,targetAlpha){
        targetObj.targetAlpha = targetAlpha;
        if(targetObj.currentAlpha==undefined){
            targetObj.currentAlpha = 100;
        }
        if(targetObj.currentAlpha==targetObj.targetAlpha){
            return;
        }
        if(!targetObj.fading){
            if(!targetObj.fader){
                targetObj.fader = fader;
            }
            targetObj.fading = true;
            targetObj.fader();
        }
    }

    // アルファ値をターゲット値に近づける関数
    // ターゲット値になったら終了

    function fader(){
        this.currentAlpha += (this.targetAlpha - this.currentAlpha)*0.2;
        if(Math.abs(this.currentAlpha-this.targetAlpha)<1){
            this.currentAlpha = this.targetAlpha;
            this.fading = false;
        }
        var alpha = parseInt(this.currentAlpha);
        this.style.opacity = alpha/100;
        this.style.filter = 'alpha(opacity='+alpha+')';
        if(this.fading){
            var scope = this;
            setTimeout(function(){fader.apply(scope)},30);
        }
    }

    // イベントを追加する関数

    function addEvent(eventTarget, eventName, func){
        if(eventTarget.addEventListener){
            // モダンブラウザ
            eventTarget.addEventListener(eventName, func, false);
        }else if(window.attachEvent){
            // IE
            eventTarget.attachEvent('on'+eventName, function(){func.apply(eventTarget);});
        }
    }

    addEvent(window,'load',setRollOver2);

}