var vanityTable = 
{
    challengewalk08 : "http://ab0wa.smugmug.com/gallery/5079153_fFB9Z",
    bike08 : "http://ab0wa.smugmug.com/gallery/5977244_DPfVt",
    b4b08 : "http://ab0wa.smugmug.com/gallery/5977333_KFuaN"
};

 function CheckRedirects()
 {
     if (YD.hasClass(document.body, 'homepage'))    // only run this code on the home page
     {
         // get the path from the current URL, 
         // convert it to lowercase and remove the leading slash
         var path = window.location.pathname.toLowerCase().substr(1);
         
         var newURL = vanityTable[path];        // look it up in our table
         
         // if we found it in the table && newURL is different than where we are
         if (newURL && (newURL != window.location))
         {
             window.location.replace(newURL);        // go to the new URL
         }
     }
 }