var scrollingAd = {
 movead : function () {
     try {

         if (document.documentElement && document.documentElement.scrollTop){
            var pos = document.documentElement.scrollTop;
         }else if (document.body){
            var pos = document.body.scrollTop;
         }
         var oldpos = pos;
         pos = ((pos - scrollingAd.offset) < 0) ? 0 : (pos - scrollingAd.offset);

         if(scrollingAd.IE) {
             scrollingAd.div.style.top = (pos + 350) + 'px';
             scrollingAd.div.style.position = "absolute";
         } else {
             if(oldpos < scrollingAd.offset) {
                 scrollingAd.div.style.position = "absolute";
                 scrollingAd.div.style.top = (scrollingAd.offset - oldpos) + 'px';
             } else {
                 scrollingAd.div.style.position = "fixed";
                 scrollingAd.div.style.top = "20px";
             }
             scrollingAd.div.style.position = "fixed";
         }
     } catch (e) {}
 },

 addListener : function(elm,eventType,fn,set){
     if (document.addEventListener) {
        if (window.opera && (elm == window)){
            elm = document;
        }
        elm.addEventListener(eventType,fn,set);
     } else if (document.attachEvent) {
        elm.attachEvent('on'+eventType,fn);
     }
 },




check : function() {
    scrollingAd.IE = document.attachEvent && !window.opera;
    scrollingAd.initTime = window.setInterval("scrollingAd.init()",10);
}
};
scrollingAd.check();