strLayers = "";
mState=0; iStickySeconds=2; strLastLayer=false; bFlag=0; gOff=1; portalClicked=0;

//************************************************************************
//  CREATE NEW IMAGE OBJECT
//************************************************************************

function imgNewObj(strName,strOnSrc,strOffSrc,strOverSrc){ 
		
	eval("nav_" +strName+ "_on = new Image();");
	eval("nav_" +strName+ "_on.src = strOnSrc;");
	eval("nav_" +strName+ "_off = new Image();");
	eval("nav_" +strName+ "_off.src = strOffSrc;");
	eval("nav_" +strName+ "_over = new Image();");
	eval("nav_" +strName+ "_over.src = strOverSrc;"); 		
}


function imgOver(imgName){
	if (gOff){   
		changeImage("bodyContent",imgName,("nav_" +imgName+ "_over"));
		gOff=0;
	}
}

function imgOut(imgName){
	if (bFlag){   ;
		changeImage("bodyContent",imgName,("nav_" +imgName+ "_on")); 
		gOff=1;
	} else {
		changeImage("bodyContent",imgName,("nav_" +imgName+ "_off")); 
		gOff=1;
	}
}

function changeImage(layer,imgName,imgObj) {
	if (portalClicked == 0) {
		imageSrcName = eval(imgObj);
		if (document.images) {
			if (document.layers && layer!=null){
				alert("processing layers");
				if (eval('document.'+layer)){
					eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
				}
			} else {
				document.images[imgName].src = imageSrcName.src;
			}
		}
	}
}

function setPortalClick() {
	// disables rollovers once portal nav link has been clicked
	portalClicked = 1;
}


function showMenu(strName){
	if ((mState!=0 || (strLastLayer!=strName)) && (strLastLayer!=false)){
		mState=0;hideNow(strLastLayer,1);
	}
	showOrHideLayer(strName,1);
	strLastLayer=strName;
	mState=1;	
}

function hideMenu(strName,flag){
	bFlag=flag;
	objTimeout=setTimeout("hideNow()",(iStickySeconds*1000)); 
}

function hideNow(){
	if (mState==0){
		showOrHideLayer(strLastLayer,0);
	}
}

 
function showOrHideLayer(strName,iSwitch){
	if(bLoad) DynAPI.document.all[strName].setVisible(iSwitch);
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

aNavLayers="";

DynAPI.onLoad=function() {   
	aNavLayers = strLayers.split(","); 
	for (i=0;i<aNavLayers.length;i++){  
		if ( aNavLayers[i].indexOf("Rollover")!=-1 ){  
		  DynAPI.document.all[aNavLayers[i]].setVisible(1);  
		}
	}
	
	if ( (typeof NTrees) != 'undefined') {
		initCoolTree();
		RedrawAllTrees();
		initOpenTree();
	}
}