function isUrl( clip:DisplayObject, urls:Array ):Boolean
    {
     var url:String      = clip.stage.loaderInfo.loaderURL;
     trace(url);
     var urlStart:Number = url.indexOf( "://" ) + 3;
     var urlEnd:Number   = url.indexOf( "/", urlStart );
     var domain:String   = url.substring( urlStart, urlEnd );
     var lastDot:Number  = domain.lastIndexOf( "." ) - 1;
     var domStart:Number = domain.lastIndexOf( ".", lastDot ) + 1;
     domain = domain.substring( domStart, domain.length );

     for( var i:int = 0; i < urls.length; i++ )
     {
      if( domain.toLowerCase() == urls[i].toLowerCase() )
       return true;
     }
     return false;
    }
if ( isUrl( this, ["http://kongregate.com", "http://www.kongregate.com"]) ) {
//don't show ads
}else{
// show ads
}