//读取框 
var t_id = setInterval(animate,20); 
var pos=0; 
var dir=2; 
var len=0; 

function animate() 
{ 
var elem = document.getElementById('progress'); 
if(elem != null) { 
if (pos==0) len += dir; 
if (len>32 || pos>179) pos += dir; 
if (pos>179) len -= dir; 
if (pos>179 && len==0) pos=0; 
elem.style.left = pos; 
elem.style.width = len; 
} 
} 
function remove_loading() { 
this.clearInterval(t_id); 
var targelem = document.getElementById('loader_container'); 
targelem.style.display='none'; 
targelem.style.visibility='hidden'; 
initJS(); 
}