var disappeardelay = 250  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink = 0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick = 1 //hide menu when user clicks within menu? (1=yes, 0=no)
var horizontaloffset = 1 //horizontal offset of menu from default location. (0-5 is a good value)
/////No further editting needed

var ie5 = document.all
var ns6 = document.getElementById && !document.all

function getposOffset(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;
}

function showhide(obj, e, visible, hidden) {
    if (ie5 || ns6)
        dropmenuobj.style.left = dropmenuobj.style.top = -500
    if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
        obj.visibility = visible
    else if (e.type == "click")
        obj.visibility = hidden
}

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

function clearbrowseredge(obj, whichedge) {
    var edgeoffset = 0
    if (whichedge == "rightedge") {
        var windowedge = ie5 && !window.opera ? iecompattest().scrollLeft + iecompattest().clientWidth - 15 : window.pageXOffset + window.innerWidth - 15
        dropmenuobj.contentmeasure = dropmenuobj.offsetWidth
        if (windowedge - dropmenuobj.x - obj.offsetWidth < dropmenuobj.contentmeasure)
            edgeoffset = dropmenuobj.contentmeasure + obj.offsetWidth + (horizontaloffset * 0) //no space to the right of page? Move menu over to the left
    }
    else {
        var topedge = ie5 && !window.opera ? iecompattest().scrollTop : window.pageYOffset
        var windowedge = ie5 && !window.opera ? iecompattest().scrollTop + iecompattest().clientHeight - 15 : window.pageYOffset + window.innerHeight - 18
        dropmenuobj.contentmeasure = dropmenuobj.offsetHeight
        if (windowedge - dropmenuobj.y < dropmenuobj.contentmeasure) { //move menu up?
            edgeoffset = dropmenuobj.contentmeasure - obj.offsetHeight
            if ((dropmenuobj.y - topedge) < dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
                edgeoffset = dropmenuobj.y
        }
    }
    return edgeoffset
}

function dropdownmenu(obj, e, dropmenuID) {
    if (window.event) event.cancelBubble = true
    else if (e.stopPropagation) e.stopPropagation()
    if (typeof dropmenuobj != "undefined") //hide previous menu
        dropmenuobj.style.visibility = "hidden"
    clearhidemenu()
    if (ie5 || ns6) {
        obj.onmouseout = delayhidemenu
        dropmenuobj = document.getElementById(dropmenuID)
        if (hidemenu_onclick) dropmenuobj.onclick = function() { dropmenuobj.style.visibility = 'hidden' }
        dropmenuobj.onmouseover = clearhidemenu
        dropmenuobj.onmouseout = ie5 ? function() { dynamichide(event) } : function(event) { dynamichide(event) }
        showhide(dropmenuobj.style, e, "visible", "hidden")
        dropmenuobj.x = getposOffset(obj, "left")
        dropmenuobj.y = getposOffset(obj, "top")
        dropmenuobj.style.left = dropmenuobj.x - clearbrowseredge(obj, "rightedge") + obj.offsetWidth + horizontaloffset + "px"
        dropmenuobj.style.top = dropmenuobj.y - clearbrowseredge(obj, "bottomedge") + "px"
    }
    return clickreturnvalue()
}

function clickreturnvalue() {
    if ((ie5 || ns6) && !enableanchorlink) return false
    else return true
}

function contains_ns6(a, b) {
    while (b.parentNode)
        if ((b = b.parentNode) == a)
        return true;
    return false;
}

function dynamichide(e) {
    if (ie5 && !dropmenuobj.contains(e.toElement))
        delayhidemenu()
    else if (ns6 && e.currentTarget != e.relatedTarget && !contains_ns6(e.currentTarget, e.relatedTarget))
        delayhidemenu()
}

function delayhidemenu() {
    delayhide = setTimeout("dropmenuobj.style.visibility='hidden'", disappeardelay)
}

function clearhidemenu() {
    if (typeof delayhide != "undefined")
        clearTimeout(delayhide)
}