function popup_image(id) {
	winName=id;
	W=660;
	H=600;
	//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=gallery&do=view_image&image_id='+id,winName,"scrollbars=y,width="+W+",height="+H+", top="+top+", left="+left);
}