var loader_t_id = setInterval(loader_animate,20);
var loader_pos=0;
var loader_dir=2;
var loader_len=0;

function loader_animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
	if (loader_pos==0) loader_len += loader_dir;
	if (loader_len>32 || loader_pos>79) loader_pos += loader_dir;
	if (loader_pos>79) loader_len -= loader_dir;
	if (loader_pos>79 && loader_len==0) loader_pos=0;
	elem.style.left = loader_pos;
	elem.style.width = loader_len;
	}
}

function remove_loading() {
	this.clearInterval(loader_t_id);
	var targelem = document.getElementById('loader_container');
	targelem.style.display='none';
	targelem.style.visibility='hidden';
	var loader_t_id = setInterval(loader_animate,60);
}