var cssdropdown = { disappeardelay: 250, dropdownindicator: '', enablereveal: [true, 5], enableiframeshim: 1, dropmenuobj: null, asscmenuitem: null, domsupport: document.all || document.getElementById, standardbody: null, iframeshimadded: false, revealtimers: {}, getposOffset: function(what, offsettype) {
    var totaloffset = (offsettype == "left") ? what.offsetLeft : what.offsetTop; var parentEl = what.offsetParent; while (parentEl != null) { totaloffset = (offsettype == "left") ? totaloffset + parentEl.offsetLeft : totaloffset + parentEl.offsetTop; parentEl = parentEl.offsetParent; }
    return totaloffset;
}, css: function(el, targetclass, action) {
    var needle = new RegExp("(^|\\s+)" + targetclass + "($|\\s+)", "ig")
    if (action == "check")
        return needle.test(el.className)
    else if (action == "remove")
        el.className = el.className.replace(needle, "")
    else if (action == "add" && !needle.test(el.className))
        el.className += " " + targetclass
}, showmenu: function(dropmenu, e) {
    if (this.enablereveal[0]) {
        if (!dropmenu._trueheight || dropmenu._trueheight < 10)
            dropmenu._trueheight = dropmenu.offsetHeight
        clearTimeout(this.revealtimers[dropmenu.id])
        dropmenu.style.height = dropmenu._curheight = 0
        dropmenu.style.overflow = "hidden"
        dropmenu.style.visibility = "visible"
        this.revealtimers[dropmenu.id] = setInterval(function() { cssdropdown.revealmenu(dropmenu) }, 10)
    }
    else { dropmenu.style.visibility = "visible" }
    this.css(this.asscmenuitem, "selected", "add")
}, revealmenu: function(dropmenu, dir) {
    var curH = dropmenu._curheight, maxH = dropmenu._trueheight, steps = this.enablereveal[1]
    if (curH < maxH) {
        var newH = Math.min(curH, maxH)
        dropmenu.style.height = newH + "px"
        dropmenu._curheight = newH + Math.round((maxH - newH) / steps) + 1
    }
    else {
        dropmenu.style.height = "auto"
        dropmenu.style.overflow = "hidden"
        clearInterval(this.revealtimers[dropmenu.id])
    } 
}, clearbrowseredge: function(obj, whichedge) {
    var edgeoffset = 0
    if (whichedge == "rightedge") {
        var windowedge = document.all && !window.opera ? this.standardbody.scrollLeft + this.standardbody.clientWidth - 15 : window.pageXOffset + window.innerWidth - 15
        var dropmenuW = this.dropmenuobj.offsetWidth
        if (windowedge - this.dropmenuobj.x < dropmenuW)
            edgeoffset = dropmenuW - obj.offsetWidth
    }
    else {
        var topedge = document.all && !window.opera ? this.standardbody.scrollTop : window.pageYOffset
        var windowedge = document.all && !window.opera ? this.standardbody.scrollTop + this.standardbody.clientHeight - 15 : window.pageYOffset + window.innerHeight - 18
        var dropmenuH = this.dropmenuobj._trueheight
        if (windowedge - this.dropmenuobj.y < dropmenuH) {
            edgeoffset = dropmenuH + obj.offsetHeight
            if ((this.dropmenuobj.y - topedge) < dropmenuH)
                edgeoffset = this.dropmenuobj.y + obj.offsetHeight - topedge
        } 
    }
    return edgeoffset
}, dropit: function(obj, e, dropmenuID) {
    if (this.dropmenuobj != null)
        this.hidemenu()
    this.clearhidemenu()
    this.dropmenuobj = document.getElementById(dropmenuID)
    this.asscmenuitem = obj
    this.showmenu(this.dropmenuobj, e)
    this.dropmenuobj.x = this.getposOffset(obj, "left")
    this.dropmenuobj.y = this.getposOffset(obj, "top")
    this.dropmenuobj.style.left = this.dropmenuobj.x - this.clearbrowseredge(obj, "rightedge") + "px"
    this.dropmenuobj.style.top = this.dropmenuobj.y - this.clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + 1 + "px"
    this.positionshim()
}, positionshim: function() {
    if (this.iframeshimadded) {
        if (this.dropmenuobj.style.visibility == "visible") {
            this.shimobject.style.width = this.dropmenuobj.offsetWidth + "px"
            this.shimobject.style.height = this.dropmenuobj._trueheight + "px"
            this.shimobject.style.left = parseInt(this.dropmenuobj.style.left) + "px"
            this.shimobject.style.top = parseInt(this.dropmenuobj.style.top) + "px"
            this.shimobject.style.display = "block"
        } 
    } 
}, hideshim: function() {
    if (this.iframeshimadded)
        this.shimobject.style.display = 'none'
}, isContained: function(m, e) {
    var e = window.event || e
    var c = e.relatedTarget || ((e.type == "mouseover") ? e.fromElement : e.toElement)
    while (c && c != m) try { c = c.parentNode } catch (e) { c = m }
    if (c == m)
        return true
    else
        return false
}, dynamichide: function(m, e) { if (!this.isContained(m, e)) { this.delayhidemenu() } }, delayhidemenu: function() { this.delayhide = setTimeout("cssdropdown.hidemenu()", this.disappeardelay) }, hidemenu: function() {
    this.css(this.asscmenuitem, "selected", "remove")
    this.dropmenuobj.style.visibility = 'hidden'
    this.dropmenuobj.style.left = this.dropmenuobj.style.top = "-1000px"
    this.hideshim()
}, clearhidemenu: function() {
    if (this.delayhide != "undefined")
        clearTimeout(this.delayhide)
}, addEvent: function(target, functionref, tasktype) {
    if (target.addEventListener)
        target.addEventListener(tasktype, functionref, false); else if (target.attachEvent)
        target.attachEvent('on' + tasktype, function() { return functionref.call(target, window.event) });
}, startchrome: function() {
    if (!this.domsupport)
        return
    this.standardbody = (document.compatMode == "CSS1Compat") ? document.documentElement : document.body
    for (var ids = 0; ids < arguments.length; ids++) {
        var menuitems = document.getElementById(arguments[ids]).getElementsByTagName("a")
        for (var i = 0; i < menuitems.length; i++) {
            if (menuitems[i].getAttribute("rel")) {
                var relvalue = menuitems[i].getAttribute("rel")
                var asscdropdownmenu = document.getElementById(relvalue)
                this.addEvent(asscdropdownmenu, function() { cssdropdown.clearhidemenu() }, "mouseover")
                this.addEvent(asscdropdownmenu, function(e) { cssdropdown.dynamichide(this, e) }, "mouseout")
                this.addEvent(asscdropdownmenu, function() { cssdropdown.delayhidemenu() }, "click")
                try { menuitems[i].innerHTML = menuitems[i].innerHTML + " " + this.dropdownindicator } catch (e) { }
                this.addEvent(menuitems[i], function(e) {
                    if (!cssdropdown.isContained(this, e)) {
                        var evtobj = window.event || e
                        cssdropdown.dropit(this, evtobj, this.getAttribute("rel"))
                    } 
                }, "mouseover")
                this.addEvent(menuitems[i], function(e) { cssdropdown.dynamichide(this, e) }, "mouseout")
                this.addEvent(menuitems[i], function() { cssdropdown.delayhidemenu() }, "click")
            } 
        } 
    }
    if (this.enableiframeshim && document.all && !window.XDomainRequest && !this.iframeshimadded) {
        document.write('<IFRAME id="iframeshim" src="about:blank" frameBorder="0" scrolling="no" style="left:0; top:0; position:absolute; display:none;z-index:90; background: transparent;"></IFRAME>')
        this.shimobject = document.getElementById("iframeshim")
        this.shimobject.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
        this.iframeshimadded = true
    } 
} 
}