//
// Turns an URL from the [img] tag into an <img> tag or a <a href...> tag
//
$sigimgcount = 0;
function handle_img_tag($url, $is_signature = false)
{
	global $lang_common, $pun_config, $pun_user, $sigimgcount;

	$img_tag = '<a href="'.$url.'">&lt;'.$lang_common['Image link'].'&gt;</a>';

	if ($is_signature && $pun_user['show_img_sig'] != '0' && $sigimgcount < 5)
	{
		$img_tag = '<img class="sigimage" src="'.$url.'" alt="'.htmlspecialchars($url).'" />';
		$sigimgcount++;
	}
	else
		$img_tag = '';
	else if (!$is_signature && $pun_user['show_img'] != '0')
		$img_tag = '<img class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" />';

	return $img_tag;
}