双击自动滚屏

 

<SCRIPT language=JavaScript>
 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;
</SCRIPT>