var imgName
var leftPos
var topPos

function launchPlayer(vid){
	if (screen){
		leftPos = (screen.width/2) - 325
		topPos = (screen.height/2) - 185
		}	
	popUrl = "/media/mediaplayer.php?v_id=" + vid;
	window_open = window.open(popUrl, 'LargeImagePop', 'width=650, height=370, toolbar=no, status=no, menubar=no, scrollbars=no, resize=no, left='+leftPos+', top='+topPos);
	}