<!--
// © 2005 City of Las Vegas | All Rights Reserved | Use only with permission //
// All Contents of this Website are the property of the City of Las Vegas //
// Left Hand Nav Menu's

//------------
// Variables
//------------

var menuwidth='145px' // default menu width -> no value because it's specified in the document it appears in
var menubgcolor='#EDECE8'//'#e4e8ef'  // menu bgcolor
var disappeardelay=800  // menu disappear speed onMouseOut (in milliseconds)
var hidemenu_onclick="yes" // hide menu when user clicks within menu
var MoveMenuLeft='110px' // position to the left of the Left Hand Nav
var MoveMenuUp='20' // number of pixels to move menu's [positive value moves menu up].
var MenuIndex='1000' // z-index of the Menu


//------------
// Functions
//------------

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(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, menuwidth){
	if (ie4||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top=-500
	if (menuwidth!=""){
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.width=menuwidth
		}
	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
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
	if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
		edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
		}
	else{
		var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight-(2*MoveMenuUp) //added the subtraction on this line to counteract code meant to shift menu down
		}
		return edgeoffset
	}

function populatemenu(what){
	if (ie4||ns6)
		dropmenuobj.innerHTML=what.join("")
	}

function dropdownmenu(obj, e, menucontents, menuwidth){
	if (window.event) event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
		clearhidemenu()
		dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
		populatemenu(menucontents)

	if (ie4||ns6){
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth, MoveMenuLeft, MoveMenuUp)
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=MoveMenuLeft // dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight-MoveMenuUp+"px"
		dropmenuobj.style.zIndex=MenuIndex
		}

		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 dynamichide(e){
	if (ie4&&!dropmenuobj.contains(e.toElement))
		delayhidemenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu()
	}

function hidemenu(e){
	if (typeof dropmenuobj!="undefined"){
	if (ie4||ns6)
		dropmenuobj.style.visibility="hidden"
		}
	}

function delayhidemenu(){
	if (ie4||ns6)
		delayhide=setTimeout("hidemenu()",disappeardelay)
	}

function clearhidemenu(){

	if (typeof delayhide!="undefined")
		clearTimeout(delayhide)
		
	dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
	
	dropmenuobj.style.bgColor = "#ffffff"

	if (hidemenu_onclick=="yes")
		document.onclick=hidemenu
	}

// -->
