function WindowOpen(url,w,h) {
   var nw,bfr;
   bfr='resizable,scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,width='+w+',height='+h;
   nw=window.open(url,'show',bfr);
   v = parseInt(navigator.appVersion);
   if (navigator.appName != "Microsoft Internet Explorer") nw.focus();
}


window_open=0;
function openWin2(url,w,h) {
  window_open=1;
   bfr='resizable,scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,width='+w+',height='+h;
  myWin= open(url,'show',bfr);
}

function checkWindows() {
if (window_open==1) closeWindows();
}

function closeWindows() {
	if(myWin && !myWin.closed) {myWin.close();}
}