<?php
function activeNav($input, $name, $lang)
{
	$pattern = "/<li id=\"${name}\"\s?([^>]*)>/is";
	$replacement = "<li id=\"${name}\" class=\"active\" $1>";
	$output= preg_replace($pattern, $replacement, $input);
	
	$pattern = '/<li id="([^"]+)"\s?([^>]*)>(.*?)<\/li>/is';
	$replacement = "<li id=\"\$1\" \$2><a href=\"?name=$1&amp;lang=${lang}\">\$3</a></li>";
	$output=preg_replace($pattern, $replacement, $output);

	return $output;
}

function addLangBar($input, $lang) {
	 $languages = array("no","en");
	 $langbar='<ul id="language-select">';

	 foreach($languages as $l) {
	   $active=($l == $lang)?1:0;
	     $langbar.= "
	    <li class=\"${l}\">
	      <img src=\"http://dev.bfginvest.no/php/flag.php?lang=${l}&amp;active=${active}\" width=\"20\" height=\"16\" alt=\"Norsk versjon - inaktiv\" title=\"Norsk\"/>
	    </li>
";

	}
	$langbar.='</ul>';
	$pattern = '/<ul id="language-select"\/>/';
	$replacement = $langbar;
	$output=preg_replace($pattern, $replacement, $input);

	return $output;
}
?>