function changeLang(lang,root,redirect)
{
	request[0] = createRequest();
	var url = root+"ajax/language.php";
	request[0].open( "POST" , url , true );
	request[0].onreadystatechange = function()
	{
		if( Response(0) )
		{
			//alert(request[0].responseText);
			if(redirect=='')
			{
				location.reload();
			}
			else
			{
				location.href=redirect;
			}
		}
	};
	request[0].setRequestHeader( "Content-Type","application/x-www-form-urlencoded" );
	request[0].send("lang="+lang);
}