function openVideo(url,winname) {
//topWin = (screen.availHeight - 760) / 2;
//leftWin = (screen.availWidth - 760 / 2;
topWin = 0;
leftWin = 0;
props="scrollbars=no,status=no,width=760,height=432,top="+topWin+",screenY="+topWin+",left="+leftWin+",screenX="+leftWin+",resizable=no";
var myTrans = window.open(url,winname,props);
myTrans.focus();
}