function hifi() {
 leftPos = 0
 rightPos = 0
 if (screen){
 leftPos = (screen.width/2)-250;
 rightPos = (screen.height/2)-275}

 if (!window.hifiWin){
 hifiWin = window.open("/share/hifi.html","hifiWin","width=290,height=238,left="+leftPos+",top="+rightPos+",resizable=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no");
 hifiWin.moveTo(leftPos,rightPos);
 hifiWin.location = "hifi.html";
 hifiWin.focus()
 } 
 if (hifiWin.closed){
 hifiWin = window.open("/share/hifi.html","hifiWin","width=290,height=238,left="+leftPos+",top="+rightPos+",resizable=no,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no");
 hifiWin.moveTo(leftPos,rightPos);
 hifiWin.location = "hifi.html";
 hifiWin.focus()
 }
 hifiWin.focus()
 }