var elmnt, prevelmnt , ColorOn, ColorOff, prevColorOff, divState, prevsubTopic, mouseAction, prevmouse, topicSelect, selectedHowDoI, gotoURL, gotoTarget;
prevelmnt = '';
divState = '';
prevsubTopic = '';
ColorOn = '#A65300';
ColorOff = '#B75B00';
function HowDoI(selectedHowDoI)
	{
	myArray = selectedHowDoI.split("^");
	gotoURL = myArray[0];
	gotoTarget = myArray[1];
	if (gotoTarget == 'Y')
		{
		window.open(gotoURL);
		}
	else
		{
		location.href = gotoURL;
		}
	}
function PageLoad(topicSelect)
	{
	//Collapse Div Tags (subtopic tags)
	var elements;
	var elementid;
	for (elements=1;elements<31;elements++)
		{
		elementid = 'subtopic' + elements
		elem = document.getElementById(elementid);
		if (elem)
			{
			elem.style.display = 'none';
			elem.style.visibility = 'hidden';
			}
		else
			{
			elements = 31;
			}
		}
	if (topicSelect)
		{
		elementid = 'topic' + topicSelect
		elem = document.getElementById('sub' + elementid);
		if (elem)
			{
			elem.style.display = 'block';
			elem.style.visibility = 'visible';
			prevsubTopic = elementid;

			}
		document.getElementById(elementid).style.background=ColorOn;
		prevelmnt = elementid;

		}
	}
function mouseHandler (e,elmnt)
	{
	mouseAction = e.type;
	if (mouseAction == 'mouseover')
		{
		//Highlight box
		if ((prevelmnt !='') && (prevelmnt != elmnt))
			{
			if (prevelmnt != prevsubTopic)
				{
				document.getElementById(prevelmnt).style.background=ColorOff;
				}
			}
		document.getElementById(elmnt).style.background=ColorOn;
		}
	else
		{
		if (mouseAction == 'mouseout')
			{
			//Unhighlight box
			if (prevelmnt != prevsubTopic)
				{
				document.getElementById(prevelmnt).style.background=ColorOff;
				}
			}
		else
			{
/*			if (mouseAction == 'click')
				{
				//Show subtopics
				subtopic = elmnt;
				if (prevsubTopic != '')
					{
					document.getElementById(prevsubTopic).style.background=ColorOff;

					if (prevsubTopic != subtopic)
						{
						elem = document.getElementById('sub' + prevsubTopic);
						elem.style.display = 'none';
						elem.style.visibility = 'hidden';
						elem = document.getElementById('sub' + subtopic);
	      					elem.style.display = 'block';
       				 		elem.style.visibility = 'visible';
						prevsubTopic = subtopic;
						}
					}
				else
					{
					elem = document.getElementById('sub' + subtopic);
        				elem.style.display = 'block';
	     			  	elem.style.visibility = 'visible';
					prevsubTopic = subtopic;
					}
				}
*/
			}
		}
	prevelmnt = elmnt;
	}
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*2) //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
//alert ("topedge " + topedge);
//alert ("windowedge " + windowedge);
//alert ("dm y " + dropmenuobj.y);
//alert ("dm offset " + dropmenuobj.offsetHeight);
//alert ("obj offset " + obj.offsetHeight);
//topedge 22
//windowedge 654
//dm y 398
//dm offset 478
//obj offset 21

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"
if ((dropmenuobj.y-clearbrowseredge(obj, "bottomedge")) == 0)
	{
	var ScrollTop = document.body.scrollTop;
	if (ScrollTop == 0)
		{
		if (window.pageYOffset)
			{
			ScrollTop = window.pageYOffset;
			}
		else
			{
			ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
			}
		}
	dropmenuobj.style.top = ScrollTop + "px";
	}
else
	{
	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)
}
function buildemail(strpart1,strpart2){
 if (strpart2 == '1')
	{
	strpart2 = 'dot.state.tx.us';
	}
 else
	{
	if (strpart2 == '2')
		{
		strpart2 = 'nd.gov';
		}
	else
		{
		strpart2 = 'modot.mo.gov';
		}
	}
	var string2 = "@";
	var string4 = strpart1 + string2 + strpart2;
//?subject=For Your Information
 var stringwrite = "<a href=\"" + "mail" + "to:" + strpart1 + string2 + strpart2 + "?subject=HEEP2009 Conference\">" + string4 + "</a>";
	document.write(stringwrite);
}