function popup(img_url, img_dir)
{
  alert(img_url);
  /*
	if(img_dir == 'h')
	{
		img_width = 570;
		img_height = 433;
	}
	else
	{
		img_width = 433;
		img_height = 570;	
	}

	window.open(img_url,'image', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + img_width + ',height=' + img_height);*/
}