function openWindow(url,myWidth,myHeight) {	
	var heightWidth = "";		
	if(myHeight)
		heightWidth += "height="+myHeight+",";
	if(myWidth)
		heightWidth += "width="+myWidth+",";	
		
	window.open(url,null,heightWidth+'status=yes,toolbar=no,menubar=no,location=yes,resizable=yes,scrollbars=yes');
}