<script language="javaScript">
  
function intro()
  
{
  
    if ((navigator.appVersion.indexOf("Mac")!=-1) &&
  
(navigator.userAgent.indexOf("MSIE")!=-1) &&
  
(parseInt(navigator.appVersion)=4))
  
    {
  
    skip()
  
    }
  
    else 
  
    { 
  
    popup()
  
    }  
  
}
  
function skip()
  
{
  
    location.href="http://yourdomain/index.htm";
  
}
  
function popup()
  
{
  
    version =parseFloat(navigator.appVersion.substring(navigator.appVersion.indexOf('.')-1,navigator.appVersion.length));
  
    if (version >=4)
  
    version = parseFloat(navigator.appVersion.substring(navigator.appVersion.indexOf('.')-1,navigator.appVersion.length));
  
    if (version >= 4)  
    
  
    {
  
    if (navigator.appName=="Netscape")
  
{
  
    Hello = window.open("http://yourdomain/index.htm","Hello","scrollbars");
  
    Hello.focus();  
                
  
}  
  
        
  
if (navigator.appName=="Microsoft Internet Explorer")
  
        {
  
            window.open("http://  
  
yourdomaintg/index.htm","screen","fullscreen==yes");
  
        }
  
    }
  
    else
  
    {
  
        location.href="http://ypurdomain/index.htm";
  
    }  
  
}
  
</script>
  
<BODY onload=intro()>
  
</BODY></HTML>