function winOpen (adr, name, w, h, scr) {
	par = "left=" + Math.floor((screen.width-w)/2) + ",width=" + w;
	par += ",top=" + Math.floor((screen.height-h)/2) + ",height=" + h;
	par += ",scrollbars=" + (scr?"yes":"no");
	par += ",resizable=" + (scr?"yes":"no");
	par += ",status=no";
	return window.open (adr, name, par);
}

function playVideo (preq) {
	winOpen("http://goldstein.video4all.nl/winPlayer.php?playerreq=" + preq, "WinPlayVideo", 384, 300, false).focus();
	return false;
}