//
var dompopup = null;
function winopen(url, height, width)
{
	if (dompopup == null || dompopup.closed)
		dompopup = window.open(url,"quiz","HEIGHT="+height+",WIDTH="+width+",menubar=1,resizable=1,scrollbars=1");
	else
	{
		dompopup.location.href=url;
		dompopup.focus();
	}
}