var cssdropdown = {
        disappeardelay: 250, //set delay in miliseconds before menu disappears onmouseout
        disablemenuclick: false, //when user clicks on a menu item with a drop down menu, disable menu item's link?
        enableswipe: 1, //enable swipe effect? 1 for yes, 0 for no
        enableiframeshim: 1, //enable "iframe shim" technique to get drop down menus to correctly appear on top of controls such as form objects in IE5.5/IE6? 1 for yes, 0 for no

    //No need to edit beyond here////////////////////////
        dropmenuobj: null, ie: document.all, firefox: document.getElementById && !document.all, swipetimer: undefined, bottomclip:0,

        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;
        },

        swipeeffect:function() {
            if (this.bottomclip < parseInt(this.dropmenuobj.offsetHeight)) {
                this.bottomclip += 10 + (this.bottomclip / 10) //unclip drop down menu visibility gradually
                this.dropmenuobj.style.clip = "rect(0 auto " + this.bottomclip + "px 0)"
            }
            else
                return
            this.swipetimer = setTimeout("cssdropdown.swipeeffect()", 10)
        },

        showhide:function(obj, e) {
            if (this.ie || this.firefox)
                this.dropmenuobj.style.left = this.dropmenuobj.style.top = "-300px"
            if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover") {
                if (this.enableswipe == 1) {
                    if (typeof this.swipetimer != "undefined")
                        clearTimeout(this.swipetimer)
                    obj.clip = "rect(0 auto 0 0)" //hide menu via clipping
                    this.bottomclip = 0
                    this.swipeeffect()
                }
                obj.visibility = "visible"
            }
            else if (e.type == "click")
                obj.visibility = "hidden"
        },

        iecompattest:function() {
            return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body
        },

        clearbrowseredge:function(obj, whichedge) {
            var edgeoffset = -6  //SM
            if (whichedge == "rightedge") {
                var windowedge = this.ie && !window.opera ? this.iecompattest().scrollLeft + this.iecompattest().clientWidth - 15 : window.pageXOffset + window.innerWidth - 15
                this.dropmenuobj.contentmeasure = this.dropmenuobj.offsetWidth
                if (windowedge - this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
                    edgeoffset = this.dropmenuobj.contentmeasure - obj.offsetWidth
            }
            else {
                var topedge = this.ie && !window.opera ? this.iecompattest().scrollTop : window.pageYOffset
                var windowedge = this.ie && !window.opera ? this.iecompattest().scrollTop + this.iecompattest().clientHeight - 15 : window.pageYOffset + window.innerHeight - 18
                this.dropmenuobj.contentmeasure = this.dropmenuobj.offsetHeight
                if (windowedge - this.dropmenuobj.y < this.dropmenuobj.contentmeasure) { //move up?
                    edgeoffset = this.dropmenuobj.contentmeasure + obj.offsetHeight
                    if ((this.dropmenuobj.y - topedge) < this.dropmenuobj.contentmeasure) //up no good either?
                        edgeoffset = this.dropmenuobj.y + obj.offsetHeight - topedge
                }
            }
            return edgeoffset
        },

        dropit:function(obj, e, dropmenuID) {
            if (this.dropmenuobj != null) //hide previous menu
                this.dropmenuobj.style.visibility = "hidden" //hide menu
            this.clearhidemenu()
            if (this.ie || this.firefox) {
                obj.onmouseout = function() {
                    cssdropdown.delayhidemenu()
                }
                obj.onclick = function() {
                    return !cssdropdown.disablemenuclick
                } //disable main menu item link onclick?
                this.dropmenuobj = document.getElementById(dropmenuID)
                this.dropmenuobj.onmouseover = function() {
                    cssdropdown.clearhidemenu()
                }
                this.dropmenuobj.onmouseout = function(e) {
                    cssdropdown.dynamichide(e)
                }
                this.dropmenuobj.onclick = function() {
                    cssdropdown.delayhidemenu()
                }
                this.showhide(this.dropmenuobj.style, e)
                this.dropmenuobj.x = this.getposOffset(obj, "left") - 56
                this.dropmenuobj.y = this.getposOffset(obj, "top")-1
                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() //call iframe shim function
            }
        },

        positionshim:function() { //display iframe shim function
            if (this.enableiframeshim && typeof this.shimobject != "undefined") {
                if (this.dropmenuobj.style.visibility == "visible") {
                    this.shimobject.style.width = this.dropmenuobj.offsetWidth + "px"
                    this.shimobject.style.height = this.dropmenuobj.offsetHeight + "px"
                    this.shimobject.style.left = this.dropmenuobj.style.left
                    this.shimobject.style.top = this.dropmenuobj.style.top
                }
                this.shimobject.style.display = (this.dropmenuobj.style.visibility == "visible") ? "block" : "none"
            }
        },

        hideshim:function() {
            if (this.enableiframeshim && typeof this.shimobject != "undefined")
                this.shimobject.style.display = 'none'
        },

        contains_firefox:function(a, b) {
            while (b.parentNode)
                if ((b = b.parentNode) == a)
                    return true;
            return false;
        },

        dynamichide:function(e) {
            var evtobj = window.event ? window.event : e
            if (this.ie && !this.dropmenuobj.contains(evtobj.toElement))
                this.delayhidemenu()
            else if (this.firefox && e.currentTarget != evtobj.relatedTarget && !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
                this.delayhidemenu()
        },

        delayhidemenu:function() {
            this.delayhide = setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'; cssdropdown.hideshim()", this.disappeardelay) //hide menu
        },

        clearhidemenu:function() {
            if (this.delayhide != "undefined")
                clearTimeout(this.delayhide)
        },

        startchrome:function() {
            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")
                        menuitems[i].onmouseover = function(e) {
                            var event = typeof e != "undefined" ? e : window.event
                            cssdropdown.dropit(this, event, this.getAttribute("rel"))
                        }
                    }
                }
            }
            if (window.createPopup && !window.XmlHttpRequest) { //if IE5.5 to IE6, create iframe for iframe shim technique
                document.write('<IFRAME id="iframeshim"  src="" style="display: none; left: 0; top: 0; z-index: 90; position: absolute; filter: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)" frameBorder="0" scrolling="no"></IFRAME>')
                this.shimobject = document.getElementById("iframeshim") //reference iframe object
            }
        }

    }