<!-- hide from old browsers
ns4 = (document.layers) ? true:false;
ie4 = (document.all) ? true:false;
w3c = (document.getElementById) ? true:false;
var hold;
var timerID;

function reveal(thing){
	resetAll();
	if(ie4){
		objref=eval("document.all."+thing+".style");
		objref.visibility ="visible";
	}
	if(ns4){
		objref=eval("document."+thing);
		objref.visibility="show";
	}
	if(w3c){
		objref=eval("document.getElementById('" + thing + "').style");
		objref.visibility = "visible";
	}
}
function delay(){
	timerID = setTimeout("resetAll()",100)
}
function holdIt(){
	hold=true;
	clearTimeout(timerID);
}
function release(){
	hold=false;
	delay();
}
function hide(thing){
	if(ie4){
		objref=eval("document.all."+thing+".style");
		objref.visibility ="hidden";
	}
	if(ns4){
		objref=eval("document."+thing);
		objref.visibility="hide";
	}
	if(w3c){
		objref=eval("document.getElementById('" + thing + "').style");
		objref.visibility = "hidden";
	}
}
function resetAll(){
	clearTimeout(timerID);
	if(hold!=true){
		if(ie4){
			document.all.stu.style.visibility="hidden";
			document.all.fac.style.visibility="hidden";
			document.all.stu_sub1.style.visibility="hidden";
			document.all.stu_sub2.style.visibility="hidden";
		}
		if(ns4){
			document.stu.visibility="hide";
			document.fac.visibility="hide";
			document.stu_sub1.visibility="hide";
			document.stu_sub2.visibility="hide";
		}
		if(w3c){
			document.getElementById("stu").style.visibility="hidden";
			document.getElementById("fac").style.visibility="hidden";
			document.getElementById("stu_sub1").style.visibility="hidden";
			document.getElementById("stu_sub2").style.visibility="hidden";
		}
	}
}
function adjustLayers(){
	if(ns4){
		document.stu.top=document.stu.top-10;
		document.stu.left=document.stu.left-6;
		document.fac.top=document.fac.top-10;
		document.fac.left=document.fac.left-6;
		document.stu_sub1.top=document.stu_sub1.top-10;
		document.stu_sub1.left=document.stu_sub1.left-6;
		document.stu_sub2.top=document.stu_sub2.top-10;
		document.stu_sub2.left=document.stu_sub2.left-6;
	}
}

// Rollover stuff 
var imgID = new Array('stu_info','stu_type','stu_look','stu_shop','fac_cour','fac_ebok','fac_prep','fac_checklist','fac_tips');
var navImgOn = new Array();
var navImgOff = new Array();

function cacheImages(){
	for(i=0;i<imgID.length;i++){
		var nam = imgID[i];
		navImgOn[nam] = new Image;
		navImgOn[nam].src = "images/coursepack/"+nam+"_on.gif";
		navImgOff[nam] = new Image;
		navImgOff[nam].src = "images/coursepack/"+nam+".gif";
	}
}

function rollOn(nam){
	document.images[nam].src=navImgOn[nam].src;
	return true;
}

function rollOff(nam){
	document.images[nam].src=navImgOff[nam].src;
	return true;
}
//-->