function pop_gallery(url){
		var new_gallery;
		var height = 520;
		var width = 785;
		//var left = Math.floor( (screen.width - width) / 2);
                var left = 0;
		var top = 0;	
		//var top = Math.floor( (screen.height - height) / 2);	
		var open_win = "top=" + top + ",left=" + left + ",height=" + height + ",width=" + width +",resizable=false,scrollbars=yes,toolbar=no,menubar=no,status=no";

		new_gallery=window.open(url,'gallery',open_win);
		if (window.focus) {
			new_gallery.focus()
		}
	}