// THIS FUNCTION USED FOR LEFT NAV ROLLOVER MENU

//Contents for leftmenu 1 - Parts
var leftmenuwidth='215px' //default leftmenu width
var disappeardelay=550  //leftmenu disappear speed onMouseout (in miliseconds)
var hideleftmenu_onclick="yes" //hide leftmenu when user clicks within leftmenu?
var delayleftsubhide

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="leftnavbox" style="visibility:hidden;width:'+leftmenuwidth+';" onMouseover="clearhideleftmenu()" onMouseout="dynamiclefthide(event)"></div>')
document.write('<div id="leftsubnavbox" style="visibility:hidden;width:'+leftmenuwidth+';" onMouseover="clearhideleftsubmenu()" onMouseout="dynamicleftsubhide(event)"></div>')

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, leftmenuwidth){
    if (ie4||ns6)
        dropleftmenuobj.style.left=dropleftmenuobj.style.top="-500px"
    if (leftmenuwidth!=""){
        dropleftmenuobj.widthobj=dropleftmenuobj.style
        dropleftmenuobj.widthobj.width=leftmenuwidth
    }
    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=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
	    
	    dropleftmenuobj.contentmeasure=dropleftmenuobj.offsetWidth
	    
	    if (windowedge-dropleftmenuobj.x < dropleftmenuobj.contentmeasure)
	        edgeoffset=dropleftmenuobj.contentmeasure-obj.offsetWidth
    }
    else{
	    var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
	    var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
	    
	    dropleftmenuobj.contentmeasure=dropleftmenuobj.offsetHeight
	    
	    if (windowedge-dropleftmenuobj.y < dropleftmenuobj.contentmeasure){ //move up?
	        edgeoffset=dropleftmenuobj.contentmeasure+obj.offsetHeight
	    
	        if ((dropleftmenuobj.y-topedge)<dropleftmenuobj.contentmeasure) //up no good either?
	            edgeoffset=dropleftmenuobj.y+obj.offsetHeight-topedge
        }
    }
    return edgeoffset
}

function populateleftmenu(what){
	if (ie4||ns6)
		dropleftmenuobj.innerHTML=what.join("")
}

function populateleftsubmenu(what){
	if (ie4||ns6)
		dropleftsubmenuobj.innerHTML=what.join("")
}


function dropdownleftmenu(obj, e, leftmenucontents, leftmenuwidth){
	if (window.event) 
	    event.cancelBubble=true
    else if (e.stopPropagation) 
        e.stopPropagation()

	clearhideleftmenu()
	dropleftmenuobj=document.getElementById? document.getElementById("leftnavbox") : leftnavbox
	populateleftmenu(leftmenucontents)

	if (ie4||ns6){
		showhide(dropleftmenuobj.style, e, "visible", "hidden", leftmenuwidth)
		dropleftmenuobj.x=getposOffset(obj, "left")
		dropleftmenuobj.y=getposOffset(obj, "top")
		dropleftmenuobj.style.left=dropleftmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropleftmenuobj.style.top=dropleftmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
    }

    return clickreturnvalue()
}

function dropdownleftsubmenu(obj, e, leftmenucontents, leftmenuwidth){
	if (window.event) 
	    event.cancelBubble=true
    else if (e.stopPropagation) 
        e.stopPropagation()

	clearhideleftmenu()
	clearhideleftsubmenu()
	dropleftsubmenuobj=document.getElementById? document.getElementById("leftsubnavbox") : leftsubnavbox
	populateleftsubmenu(leftmenucontents)

	if (ie4||ns6){
		showhide(dropleftsubmenuobj.style, e, "visible", "hidden", leftmenuwidth)
		dropleftsubmenuobj.x=getposOffset(obj, "left")
		dropleftsubmenuobj.y=getposOffset(obj, "top")
		dropleftsubmenuobj.style.left=dropleftsubmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropleftsubmenuobj.style.top=dropleftsubmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
    }

    return clickreturnvalue()
}

function clickreturnvalue(){
	if (ie4||ns6) return false
	else return true
}

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

function dynamiclefthide(e){
	if (ie4&&!dropleftmenuobj.contains(e.toElement))
	    delayhideleftmenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
	    delayhideleftmenu()
}

function dynamicleftsubhide(e){
	if (ie4&&!dropleftsubmenuobj.contains(e.toElement))
	    delayhideleftsubmenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
	    delayhideleftsubmenu()
	dynamiclefthide(e);
}

function hideleftmenu(e){
	if (typeof dropleftmenuobj!="undefined"){
	    if (ie4||ns6)
	        dropleftmenuobj.style.visibility="hidden"
    }
}

function hideleftsubmenu(e){
	if (typeof dropleftsubmenuobj!="undefined"){
	    if (ie4||ns6)
	        dropleftsubmenuobj.style.visibility="hidden"
    }
}

function delayhideleftmenu(){
	if (ie4||ns6)
	    delaylefthide=setTimeout("hideleftmenu()",disappeardelay)
}

function delayhideleftsubmenu(){
	if (ie4||ns6)
	    delayleftsubhide=setTimeout("hideleftsubmenu()",disappeardelay)
}

function clearhideleftsubmenu(){
    clearTimeout(delayleftsubhide);
    clearTimeout(delaylefthide);
}

function clearhideleftmenu(){
	if (typeof delaylefthide!="undefined")
	    clearTimeout(delaylefthide)
}

if (hideleftmenu_onclick=="yes")
    document.onclick=hideleftmenu