function popup_download(id) {
	winName=id;
	W=320;
	H=320;
	//var left=Math.round((screen.width-W)/2)+"px";
	//var top=Math.round((screen.height-H)/2)+"px";
	var left="100px";
	var top="120px";
	window.open('index.php?module=users&do=download&object_id='+id,winName,"scrollbars=n,width="+W+",height="+H+", top="+top+", left="+left);
}