雙擊網頁開始滾動的代碼.

var currentpos,timer; 
 function initialize() 
 { 
 timer=setInterval('scrollwindow()',10);
 } 
 function sc(){
 clearInterval(timer); 
 }
 function scrollwindow() 
 { 
 currentpos=document.body.scrollTop; 
 window.scroll(0,++currentpos); 
 if (currentpos != document.body.scrollTop) 
 sc();
 } 
 document.οnmοusedοwn=sc
 document.οndblclick=initialize