sélecteur de langue

Bonjour à tous,

J'ai récupéré je ne sais plus où un script de sélection de la langue avec un drapeau pour changer de langue dans la page php.
Il fonctionne bien mais il y a un petit bug. C'est toujours l'anglais qui reste affiché même si la langue est bien changé.
Comment puis-je le modifier pour afficher le drapeau sélectionné?
Merci d'avance.

Voici mon code html

Code:

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<script src="scripts/jquery-1.4.2.min.js" type="text/javascript"></script>
    <script src="scripts/languageswitcher.js"></script> 
<title>Untitled Document</title>
<style type="text/css">
#country-select {
	position: absolute;
	top: 15px;
	right: 25px;
	width: 130px;
	}
 
/* rought form styles for when JS is disabled */
 
#country-select form {
	width: 130px;
	padding: 0;
	}
 
#country-select select,
#country-select input {
	display: inline;
	padding: 0;
	margin: 0;
	}
/* JS-created definition list */
 
.dropdown dd { position: relative; }
 
.dropdown a {
	text-decoration: none;
	outline: 0;
	font: 12px Arial, Helvetica, sans-serif;
	display: block;
	width: 130px;
	overflow: hidden;
	}
 
.dropdown dt a {
	background: #003466;
	border: 1px solid #000;
	padding: 3px 10px 4px 10px;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	border-radius: 5px;
	color: #fff;
	}
 
	.dropdown dt a.active {
		background: #003466;
		-webkit-border-bottom-left-radius: 0;
		-webkit-border-bottom-right-radius: 0;
		-moz-border-radius-bottomleft: 0;
		-moz-border-radius-bottomright: 0;
		border-bottom-left-radius: 0;
		border-bottom-right-radius: 0;
		border-bottom: 1px dotted #676768;
		-moz-box-shadow: 0 3px 7px rgba(0,0,0,.5);
		-webkit-box-shadow: 0 3px 7px rgba(0,0,0,.5);
		box-shadow: 0 3px 7px rgba(0,0,0,.5);
		color: #fff;
		}
 
.dropdown dd ul {
	border: 1px solid #676768;
	color: #fff;
	display: none;
	position: absolute;
	z-index: 999;
	top: 0;
	left: 0;
	padding: 2px 0 5px 0;
	list-style: none;
	border-top: none;
	margin: 0;
	-webkit-border-bottom-right-radius: 5px;
	-webkit-border-bottom-left-radius: 5px;
	-moz-border-radius-bottomright: 5px;
	-moz-border-radius-bottomleft: 5px;
	border-bottom-right-radius: 5px;
	border-bottom-left-radius: 5px;
	-moz-box-shadow: 0 3px 7px rgba(0,0,0,.5);
	-webkit-box-shadow: 0 3px 7px rgba(0,0,0,.5);
	box-shadow: 0 3px 7px rgba(0,0,0,.5);
	background-color: #003466;
	}
 
	.dropdown dd ul li a {
		padding: 2px 10px;
		}
 
	.dropdown dd ul li a span,
	.dropdown dt a span {
	float: left;
	width: 16px;
	height: 11px;
	margin: 2px 6px 0 0;
	background-image: url(../images/flags.png);
	background-repeat: no-repeat;
	cursor: pointer;
		}
 
		.uk a span { background-position: 0 0 }
		.fr a span { background-position: -16px 0 }
		.it a span { background-position: -32px 0 }
		.es a span { background-position: -48px 0 }
		.de a span { background-position: -64px 0 }
 
	.dropdown dd ul li a em,
	.dropdown dt a em {
		font-style: normal;
		float: left;
		width: 100px;
		cursor: pointer;
		}
 
	.dropdown dd ul li a em {
		color: #fff;
		}
 
		.dropdown dd ul li a:hover { background-color: rgba(255,255,255,.1); }
		.dropdown dd ul li a:hover em { color: #fff; }
</style></head>
 
<body>
 
<div id="help"><div id="country-select">
  <form action="">
    <select id="country-options" name="country-options">
      <option selected="selected" title="index.php?lang=uk" value="uk">English</option>
      <option title="index.php?lang=fr" value="fr">français</option>
      <option title="index.php?lang=it" value="it">italiano</option>
    </select>
    <input value="Select" type="submit" />
  </form>
</div>
</div>
</body>
</html>

et le script

Code:

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$(document).ready(function() {
 
	// --- language dropdown --- //
 
	// turn select into dl
	createDropDown();
 
	var $dropTrigger = $(".dropdown dt a");
	var $languageList = $(".dropdown dd ul");
 
	// open and close list when button is clicked
	$dropTrigger.toggle(function() {
		$languageList.slideDown(200);
		$dropTrigger.addClass("active");
	}, function() {
		$languageList.slideUp(200);
		$(this).removeAttr("class");
	});
 
	// close list when anywhere else on the screen is clicked
	$(document).bind('click', function(e) {
		var $clicked = $(e.target);
		if (! $clicked.parents().hasClass("dropdown"))
			$languageList.slideUp(200);
			$dropTrigger.removeAttr("class");
	});
 
	// when a language is clicked, make the selection and then hide the list
	$(".dropdown dd ul li a").click(function() {
		var clickedValue = $(this).parent().attr("class");
		var clickedTitle = $(this).find("em").html();
		$("#target dt").removeClass().addClass(clickedValue);
		$("#target dt em").html(clickedTitle);
		$languageList.hide();
		$dropTrigger.removeAttr("class");
	});
});
 
	// actual function to transform select to definition list
	function createDropDown(){
		var $form = $("div#country-select form");
		$form.hide();
		var source = $("#country-options");
		source.removeAttr("autocomplete");
		var selected = source.find("option:selected");
		var options = $("option", source);
		$("#country-select").append('<dl id="target" class="dropdown"></dl>')
		$("#target").append('<dt class="' + selected.val() + '"><a href="#"><span class="flag"></span><em>' + selected.text() + '</em></a></dt>')
		$("#target").append('<dd><ul></ul></dd>')
		options.each(function(){
			$("#target dd ul").append('<li class="' + $(this).val() + '"><a href="' + $(this).attr("title") + '"><span class="flag"></span><em>' + $(this).text() + '</em></a></li>');
			});
	}