function optelo_getBrowserLANG(){
	var langue = new String;
	if(document.layers) 
		langue = navigator.language;        //NS
	if(document.all) 
		langue =  navigator.browserLanguage //IE
	return(langue.substring(0,2));
 }

function optelo_redirect_language(tab_redirect) {
	var langue = optelo_getBrowserLANG();
	var URLredirect = new String;
	var flag_redirect = false;
	var URL = window.location.toString();
	URLredirect = tab_redirect[0][1];
	i = 0;
	while (i<tab_redirect.length) {
		if (tab_redirect[i][0] == langue) 
			URLredirect = tab_redirect[i][1];
		i++;
	}
	if (URLredirect != "")
		if ( URL.substring(0,URLredirect.length) != URLredirect ) 
			window.location.href = URLredirect;
}