function popUpWindow(txtURL,title,nswidth,nsheight,iewidth,ieheight,top,left){
  IE = navigator.appName=="Microsoft Internet Explorer";
  NS = navigator.appName=="Netscape";          
  var test = window.screenTop - 78 ;
  var lefttest = window.screenLeft - 3 ;
  var nstest = window.screenY + 23 ;
         if (IE){
  var _params = "width=" + iewidth + ",height=" + ieheight + ",resizable=no,status=no,scrollbars=no,top=" + top + ",left=" + left; 
  }else if (NS) {
  var _params = "width=" + nswidth + ",height=" + nsheight + ",resizable=no,status=no,scrollbars=no,screenX=" + left + ",screenY=" + top;   
  }
  NewWin=window.open(txtURL, title, _params);
  if ( NewWin!=null ){
                 NewWin.focus();
  }
 }