function openPopup(url)
{
	var winWidth = 601;
	var winHeight = 711;
	var winLeft = (screen.width-winWidth)/2;
	var winTop = 100;
	
	window.open(url, "", "menubar=no,width="+winWidth+",height="+winHeight+",toolbar=no,menubar=no,locationbar=no,scrollbars=yes,left="+winLeft+",top="+winTop);
	
	return false;
}