function makeClickable(&$text)
	{
		$valid_chars = "a-z0-9\/\-_+=.~!%@?#&;:$\|";
		$valid_chars2 = "a-z0-9\/\-_+=.~!%@?#&;:$\|\'\"<> ";
		$i = explode("//", XOOPS_URL);
		$patterns = array(
			"/(^|[^]_a-z0-9-=\"'\/])([a-z]+?):\/\/([{$valid_chars}]+)/ei",
			"/(^|[^]_a-z0-9-=\"'\/])www\.([a-z0-9\-]+)\.([{$valid_chars}]+)/ei",
			"/(^|[^]_a-z0-9-=\"'\/])ftp\.([a-z0-9\-]+)\.([{$valid_chars}]+)/ei",
			"/(^|[^]_a-z0-9-=\"'\/:\.])([a-z0-9\-_\.]+?)@([{$valid_chars}]+)/ei",
			"/(<noindex>)(<a href=\"http:\/\/)".$i[1]."([{$valid_chars2}]+?)( rel=\"nofollow\")([{$valid_chars2}]+?)(<\/noindex>)/i",
			"/(<noindex>)(<a href=\"http:\/\/www.)".$i[1]."([{$valid_chars2}]+?)( rel=\"nofollow\")([{$valid_chars2}]+?)(<\/noindex>)/i",
			"/(<noindex>)(<a href=\"ftp:\/\/)".$i[1]."([{$valid_chars2}]+?)( rel=\"nofollow\")([{$valid_chars2}]+?)(<\/noindex>)/i");
		$replacements = array(
			"'\\1<noindex><a href=\"\\2://\\3\" title=\"\\2://\\3\" rel=\"nofollow\">\\2://'.MyTextSanitizer::truncate( '\\3' ).'</a></noindex>'",
			"'\\1<noindex><a href=\"http://www.\\2.\\3\" title=\"www.\\2.\\3\" rel=\"nofollow\">'.MyTextSanitizer::truncate( 'www.\\2.\\3' ).'</a></noindex>'",
			"'\\1<noindex><a href=\"ftp://ftp.\\2.\\3\" title=\"ftp.\\2.\\3\" rel=\"nofollow\">'.MyTextSanitizer::truncate( 'ftp.\\2.\\3' ).'</a></noindex>'",
			"'\\1<a href=\"mailto:\\2@\\3\" title=\"\\2@\\3\">'.MyTextSanitizer::truncate( '\\2@\\3' ).'</a>'",
		
		"$2".$i[1]."$3$5",
		"$2".$i[1]."$3$5",
		"$2".$i[1]."$3$5");
		
		return preg_replace($patterns, $replacements, $text);
	}