NAVarr = new Array("hom", "sco", "acc", "con", "bus", "sti");
if (document.images) {
	for (var NAVitem in NAVarr) { 
		 for (var NAVicount=0; NAVicount < 2; NAVicount++) { 
				eval("b" + NAVarr[NAVitem] + NAVicount + " = new Image()");
				eval("b" + NAVarr[NAVitem] + NAVicount + ".src = '_assets/nav-" + NAVarr[NAVitem] + "-" + NAVicount + ".gif'");
		 } 
	} 
}

function BturnOn(imageName) {
	if (document.images) {
		var imageNumber = "";
		if (arguments.length > 1) imageNumber = arguments[1];
		document [imageName + imageNumber].src = eval("b" + imageName + "1.src");
	}
}

function BturnOff(imageName) {
	if (document.images) {
		var imageNumber = "";
		if (arguments.length > 1) imageNumber = arguments[1];
		document [imageName + imageNumber].src = eval("b" + imageName + "0.src");
	}
}

var newwindow;
function popupWindow(url,width,height)
{
	newwindow=window.open(url,"name","height=" + height + ",width=" + width);
	if (window.focus) {newwindow.focus()}
}