function popUp(URL) 
{
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=499,height=600,left = 400,top = 180');");
}

function popUpWithWidthHeight(thelink, width, height) 
{
	var left = (screen.width - width) / 2;
	var top = (screen.height - height) / 2;
		
	window.open(thelink,'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top);
}