function initSelects(al, dep, ville, type)
	{
	http = createRequestObject();
	lien = "selects-"+ al +"-"+ dep +"-"+ ville +"-"+ type +"-ajax.htm";
	http.open("GET", "/"+ lien, true);
    http.onreadystatechange = function()
        {
        if(http.readyState == 1) document.getElementById('barreRecherche').innerHTML = "<strong>Chargement en cours...</strong>";
        if(http.readyState == 4) 
        	{
        	document.getElementById('barreRecherche').innerHTML = http.responseText;
			}
        }
    http.send(null);
	}