双击滚屏代码

<SCRIPT language=JavaScript>
    //双击滚屏代码
    var currentpos,timer;
    
    function initialize()
    {
    timer=setInterval("scrollwindow()",50);
    }
    
    function sc(){
    clearInterval(timer);
    }
    
    function scrollwindow()
    {
    currentpos=document.body.scrollTop;
    window.scroll(0,++currentpos);
    if (currentpos != document.body.scrollTop)
        sc();
    }
    document.onmousedown=sc;
    document.ondblclick=initialize
    //initialize();
    </script>