BrowserOK =  (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || 
  ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))); 


 function gowindow(str,atal,w,h) {
 openwin = window.open(str,atal,'width='+ w +',height='+ h +',status=no,scrollbars=yes,resizable=no,location=no,toolbar=no');
 } 
 
 function gowindow1(str,atal,w,h) {
 openwin = window.open(str,atal,'width='+ w +',height='+ h +',status=no,scrollbars=no,resizable=no,location=no,toolbar=no');
 }