function VersionNavigateur(Netscape, Explorer) {
  if ((navigator.appVersion.substring(0,3) >= Netscape && navigator.appName == 'Netscape') ||      
      (navigator.appVersion.substring(0,3) >= Explorer && navigator.appName.substring(0,9) == 'Microsoft'))
    return true;
else return false;
}

function openwin(url,height,width) { 
	window.open(url,'map','toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=no,width='+width+',height='+height+',resizable=no');

 }