var menuScroller;
     var currentMenu;
     var nextMenu;
     var scroller;

     function displayMenu(menuid){
         menuScroller.toElement(menuid);
     }

     function menuExists(id){
         if(id)
             return (document.getElementById(id) != null);
         else
             return false;
     }

     function createOnCompleteSlide(){
       return function (){
        if(nextMenu){
          if(currentMenu == null){
            currentMenu = nextMenu;
            prepMenu(currentMenu);
            slider.slideIn();
          }
         }
       }
     }

     function createScrollComplete(){
       return function() {
        $('sponsors_container').scrollTo(0,0);
        scroller.toElement('last')
       }
     }

     function prepMenu(menuid){
       var menu = document.getElementById(menuid);
       var target = document.getElementById("slidingMenu");
       copy(menu,target);

     }

     function copy(src, dest){
       removeChildren(dest);
       for(i=0; i < src.childNodes.length;i++){
          var child = src.childNodes[i];
          var childCopy = child.cloneNode(true);
          dest.appendChild(childCopy);
       }
     }

     function removeChildren(element){
       if ( element.hasChildNodes() ){
         while ( element.childNodes.length >= 1 ){
            element.removeChild( element.firstChild );
         }
       }
     }