function popUp(src, img_width, img_height, desc){
	var xmid = screen.width / 2 - img_width / 2 - 13;
	var ymid = screen.height / 2 - img_height / 2 - 58;

	var w_width = img_width + 20
	if (desc == 1)
	   var w_height = img_height + 110;
	else
	   var w_height = img_height + 20;

	var url = "/interface/thumbnail.html?image="+src+"&width="+img_width+"&height="+img_height;
	var window_openStr = 'top=' + ymid + ',left=' + xmid + ',location=0,directories=0,menubar=0,scrollbars=0,resizable=0,status=0,toolbar=0,width=' + w_width + ',height=' + w_height;
	open(url,"mm_imggallery",window_openStr);
}