window.onload=function(){
    var speed=30;
    var tab=document.getElementById("ads_list");
    var tab1=document.getElementById("ads_list_first");
    var tab2=document.getElementById("ads_list_last");
    tab2.innerHTML=tab1.innerHTML;
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        }else {
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    var MyMar=setInterval(Marquee,speed);
    tab.onmouseover=function() {clearInterval(MyMar)};
    tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};
}