var swfmacmousewheel = function() {
   if(!swfobject) return null; 
   var u = navigator.userAgent.toLowerCase(); 
   var p = navigator.platform.toLowerCase(); 
   var d = p ?/mac/.test(p) :/mac/.test(u); 
   if(!d)return null; 
   var k = []; 
   var r = function(event) {
      var o = 0; 
      if(event.wheelDelta) {
         o = event.wheelDelta / 120; 
         if(window.opera)o = - o; 
         }
      else if(event.detail) {
         o = - event.detail; 
         }
      if(event.preventDefault)event.preventDefault(); 
      return o; 
      }; 
   var l = function(event) {
      var o = r(event); 
      var c; 
      for(var i = 0; i < k.length; i++) {
         c = swfobject.getObjectById(k[i]); 
         if(typeof(c.externalMouseEvent) == 'function')c.externalMouseEvent(o); 
         }
      }; 
   if(window.addEventListener)window.addEventListener('DOMMouseScroll', l, false); 
   window.onmousewheel = document.onmousewheel = l; 
   return {
      registerObject : function(m) {
         k[k.length] = m; 
         }
      }; 
   }
();