//Browser control vars.  Determines which browser the client is using.  Does NOT detect NS6.0 properly.
var isNav = (document.layers) ? true:false
var isIE = (document.all) ? true:false
var isOther = (!isNav&&!isIE) ? true:false
var preloadFlag = false

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function preload() {
	if (document.images) {
	//top navigation
	topnav_academics_r = newImage("/images/includes/topnav_academics_r.gif");
	topnav_admission_r = newImage("/images/includes/topnav_admission_r.gif");
	topnav_studentserv_r = newImage("/images/includes/topnav_studentserv_r.gif");
	topnav_about_r = newImage("/images/includes/topnav_about_r.gif");
	topnav_alumni_r = newImage("/images/includes/topnav_alumni_r.gif");
	topnav_athletics_r = newImage("/images/includes/topnav_athletics_r.gif");
	topnav_resources_r = newImage("/images/includes/topnav_resources_r.gif");

	preloadFlag = true
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function init() {
	preload()
}

function jumpto(form, name) {
	var myindex= eval('form.'+ name + '.selectedIndex');
    var myval=eval('form.' + name + '.options[myindex].value');
    if (myval != "") {
	location.href=myval;
    }
}

function popup(url, name, wwidth, wheight, wresize, wscrolls){
    eval("window.open('" + url + "','" + name + "','toolbar=no,menubar=no,address=no,status=no,dependent=no,resizable=" + wresize + ",scrollbars=" + wscrolls + ",height=" + wheight + ",width=" + wwidth + "')");
}



function external(url){
    eval("window.open('/external.asp?URL=" + escape(url) + "','butlerEXT','toolbar=yes,menubar=yes,address=yes,status=yes,dependent=no,resizable=1,height=425,width=590')");
}