function openVideo(selObj){ 

	var url = selObj.options[selObj.selectedIndex].value;
	var w = 1024;
	var h = 768;

	if (url != '') {
		if (url.charAt(url.length - 1) == 'S') {
			w = 800;
			h = 600;
		}		
		var winL = Math.round((screen.width - w) / 2);
		var winT = Math.round((screen.height - h) / 2);		
		popupWin = window.open(url, 'popupWin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width=' + w + ',height=' + h);	
		popupWin.moveTo(winL,winT)		
		selObj.selectedIndex=0;		
	}
}