function popUp(loc){
var jumpTo = loc;
window.open(jumpTo, "Demoreel", "screenX=20,screenY=20,resizable=no,height=240,width=320,left=400,top=400, toolbars=no, status=no,scrollbars=no");
}

userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

function changeImages() {
	if (document.images) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		homeNav_demoON = newImage("images/homeNav-demoON.gif");
		homeNav_infoON = newImage("images/homeNav-infoON.gif");
		homeNav_contactON = newImage("images/homeNav-contactON.gif");
		homeNav_japanON = newImage("images/homeNav-japanON.gif");
		homeNav_ozON = newImage("images/homeNav-ozON.gif");
		homeNav_clientON = newImage("images/homeNav-clientON.gif");
		internalNav_demoON = newImage("images/internalNav-demoON.gif");
		internalNav_ozON = newImage("images/internalNav-ozON.gif");
		internalNav_infoON = newImage("images/internalNav-infoON.gif");
		internalNav_contactON = newImage("images/internalNav-contactON.gif");
		internalNav_japanON = newImage("images/internalNav-japanON.gif");
		internalNav_clientON = newImage("images/internalNav-clientON.gif");
		internalNav_homeON = newImage("images/internalNav-homeON.gif");
		preloadFlag = true;
	}
}