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

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];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav1_image = newImage("images/nav/nav_cast-over.gif");
		nav2_image = newImage("images/nav/nav_story-over.gif");
		nav3_image = newImage("images/nav/nav_licensing-over.gif");
		nav4_image = newImage("images/nav/nav_webisodes-over.gif");
		nav5_image = newImage("images/nav/nav_merchandise-over.gif");
		nav6_image = newImage("images/nav/nav_contact-over.gif");
		preloadFlag = true;
	}
}

function displayWindow(url,width,height,scroll) {
                
x = (640 - width)/2, y = (480 - height)/2;

nWidth = width;
nHeight = height;

if (screen) {
	y = (screen.availHeight - height)/2;
	x = (screen.availWidth - width)/2;
}

if (screen.availWidth > 1800) {
	
	x = ((screen.availWidth/2) - width)/2;
    
}

	window.open(url,'newWin','scrollBars='+scroll+',width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x);

}