function openWindow(url, width, height) {
	//var width = 400;
	//var height = 400;
	var left = parseInt((screen.availWidth/2) - (width/2));
	var top = parseInt((screen.availHeight/2) - (height/2));
	
	var windowFeatures = "width=" + width + ",height=" + height + 
						"alwaysRaised,status,resizable,left=" + left + ",top=" + top + 
						",screenX=" + left + ",screenY=" + top;
	
	window.open(url, "subWindow", windowFeatures);
	
	return false;
}