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 > 79)
			pos+=dir;
		if(pos > 79)
			len-=dir;
		if(pos > 79 && 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';
	var t_id=setInterval(animate, 60);
}