Mobile Site Advertisement Redirection

<script type="text/javascript">
function RedirectSmartphone(url){
if (url && url.length > 0 && IsSmartphone())
window.location = url;
}
function IsSmartphone(){
if (DetectUagent("android")) return true;
else if (DetectUagent("blackberry")) return true;
else if (DetectUagent("iphone")) return true;
else if (DetectUagent("opera")) return true;
else if (DetectUagent("palm")) return true;
else if (DetectUagent("windows")) return true;
else if (DetectUagent("generic")) return true;
else if (DetectUagent("ipad")) return true;
else if (DetectUagent("ipod")) return true;
return false;
}
function DetectUagent(name){
var uagent = navigator.userAgent.toLowerCase();
if (uagent.search(name) > -1)
return true;
else
return false;
}
RedirectSmartphone("http://mobile.version.com");
</script>