function viewwindow(theUrl){   
      if(navigator.appName == "Microsoft Internet Explorer"){
         var IESpecs1 = 'width=750,height=550,left=25,top=25,resizable=yes';
         var IESpecs2 = 'directories=yes,menubar=yes,scrollbars=yes,status=yes';
         var IESpecs3 = 'toolbar=yes,titlebar=yes,location=yes';
         var IESpecsAll = IESpecs1 + ',' + IESpecs2 + ',' + IESpecs3;
         varwin=window.open(theUrl,"",IESpecsAll);
      }
      else {
         var NSSpecs1 = 'outerWidth=750,outerHeight=550,screenX=25,screenY=25';
         var NSSpecs2 = 'resizable=yes,directories=yes,menubar=yes,scrollbars=yes';  
         var NSSpecs3 = 'status=yes,toolbar=yes,titlebar=yes,location=yes';
         var NSSpecsAll = NSSpecs1 + ',' + NSSpecs2 + ',' + NSSpecs3;    
         varwin=window.open(theUrl,"",NSSpecsAll);
       }
    }