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(imgObj) {
//    this.clearInterval(t_id);
    if(imgObj!=null && imgObj.width!=0 && imgObj.height!=0){
        var targelem = document.getElementById('loader_container');
        targelem.style.display='none';
        targelem.style.visibility='hidden';
        
    }
//    var t_id = setInterval(animate,60);
}