Javascript : compatPositionFixed

gistfile1.js

//Fixed IE6 Position Fixed
(function(){
   if(/MSIE 6/i.test(navigation.userAgent)) {
      function compatPositionFixed(node) {
         var top = 150;
         node.style.position = "absolute";
         node.style.top = top + document.documentElement.scrollTop + 'px';
         window.attachEvent('onscroll',function(){
              node.style.top = top + document.documentElement.scrollTop + 'px';
         }); 
      } 
       compatPositionFixed()  //require obj id
   }
})();