function ShowVideo(id){
  var w = 480;
  var h = 395;
  var paramWin ='width='+w+',height='+h+',resizable=no,scrollbars=no,'+
                         'status=no,toolbar=no,menubar=no,location=no,left='+
                        ((screen.width - w)/2)+',top='+((screen.height - h)/2);
  var oNewWin = window.open('showvideo.php?id='+id,'vid',paramWin);
  oNewWin.document.close();
}