function MailTo (subject, title) {
    coded  = "RDK@RDKW.LF";
    cipher = "aZbYcXdWeVfUgThSiRjQkPlOmNnMoLpKqJrIsHtGuFvEwDxCyBzA1234567890";
    shift  = coded.length;
    link   = "";
    for (i=0; i<coded.length; i++) {
        if (cipher.indexOf(coded.charAt(i))==-1) {
            ltr=coded.charAt(i);
            link+=(ltr);
        }
        else {      
            ltr = (cipher.indexOf(coded.charAt(i))-shift+cipher.length) % cipher.length;
            link+=(cipher.charAt(ltr));
        }               
    }
//  document.write("mailto:"+link+str);
    document.write("<a href='mailto:"+link+subject+"'>"+title+"</a>");
}


function OpenComments (c) {
    window.open(c,'comments','width=480,height=480,scrollbars=yes,status=yes');
}

function OpenTrackback (c) {
    window.open(c,'trackback','width=480,height=480,scrollbars=yes,status=yes');
}

var HOST = 'www.drk7.jp';
function setCookie (name, value, expires, path, domain, secure) {
    var curCookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((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);
    setCookie('mtcmtauth', f.author.value, now, '', HOST, '');
    setCookie('mtcmtmail', f.email.value, now, '', HOST, '');
    setCookie('mtcmthome', f.url.value, now, '', HOST, '');
}

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

// sideやcomment部分のdisplayのnone/blockを制御する
function submenu(idNam){
    childNam = document.getElementById(idNam+"_child");
    childNam.style.display = (childNam.style.display == "block") ? "none" : "block";
}

// リストボックス表示されたカテゴリ記事一覧のvalueからlocationタグでページ遷移する
function gotoLink(idName){
    var obj  = document.getElementById(idName);
    var link = obj.options[obj.selectedIndex].value;
    if( link != "" ) document.location.href = link;
}

// sideやcomment部分のdisplayのnone/blockを制御する ver2
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;
}
function FoldNavigation(idName,initMode,viewNum) {
    var openMark = '＋'; /* 閉じている場合に開くためのマーク */
    var closeMark = '−'; /* 開いている場合に閉じるためのマーク */
    var preMark = true; /* マークの挿入位置。タイトルの前なら true、タイトルの後ろなら false */
    var idTitle = Array(idName,'name').join('');
    var idList = Array(idName,'list').join('');
    var objTitle = this.document.getElementById(idTitle);
    var objLists = this.document.getElementById(idList);
    if (!objTitle || !objLists) return;
    var dispMode = objLists.style.display;
    if (!dispMode) {
        var cookie_initMode = readCookie(idName);
        if(cookie_initMode) {
            initMode = cookie_initMode;
        }
        createCookie(idName, initMode, 365);
        var tmpText = Array('FoldNavigation(',"'",idName,"','chng','');return(false);").join('');
        var insMark = new Array();
        var insText = new Array();
        insMark[insMark.length] = Array('<a class="foldmark" href="#" onclick="',tmpText,'" onkeypress="',tmpText,'">').join('');
        insMark[insMark.length] = (initMode == 'off') ? openMark : closeMark;
        insMark[insMark.length] = '</a>';
        if (preMark) insText[insText.length] = insMark.join('');
        <!-- insText[insText.length] = objTitle.innerHTML;-->
        if (viewNum) {
            var objItems;
            var href;
            var commentCounter = 0;
            objItems = objLists.getElementsByTagName('a');
            if (idName == 'comment') {
                for (i = 0; i < objItems.length; i++) {
                    href = objItems[i].getAttribute("href");
                    if(href.indexOf("#") == -1) {
                        commentCounter++;
                    }
                }
            }
            var counter;
            if (idName == "people") {
                counter = objItems.length - 2;
            } else if (idName == "myblog") {
                counter = objItems.length - 2;
            } else {
                counter = objItems.length - commentCounter;
            }
            insText[insText.length] = '&nbsp;' + Array(' <span>',counter,'</span>').join('') + ' ' +　objTitle.innerHTML;
        } else {
            insText[insText.length] = '&nbsp;' + objTitle.innerHTML;
        }
        if (!preMark) insText[insText.length] = insMark.join('');
        objLists.style.display = (initMode == 'off') ? 'none' : 'block';
        objTitle.innerHTML = insText.join('');
    } else if (initMode == 'chng') {
        var objMarks = objTitle.getElementsByTagName('a');
        for (i=0;i<objMarks.length;i++) {
            if (objMarks[i].className == 'foldmark') {
                objMarks[i].firstChild.nodeValue = (dispMode == 'none') ? closeMark : openMark;
            }
        }
        objLists.style.display = (dispMode == 'none') ? 'block' : 'none';
        if (dispMode == 'none') {
            createCookie(idName, 'on', 365);
        } else {
            createCookie(idName, 'off', 365);
        }
    }
}