function marqueModele(marque){
	var listing; 
	try {  listing = new ActiveXObject('Msxml2.XMLHTTP');   }
	catch (e) {
		try {   listing = new ActiveXObject('Microsoft.XMLHTTP');    }
		catch (e2) {
			try {  listing = new XMLHttpRequest();     }
			catch (e3) {  listing = false;   }
		}
	}

	listing.onreadystatechange  = function(){
		if(listing.readyState  == 4){
			if(listing.status  == 200){
				var liste=listing.responseXML;
				var modele = liste.getElementsByTagName('modele');
				document.getElementById('modele').length=1;
				for(i=0;i<modele.length;i++){
					document.getElementById('modele').options[document.getElementById('modele').length] = new Option(modele[i].firstChild.data);
				}
			}
			else 
				alert(listing.status);
		}
	}; 
	
	listing.open( "GET", "http://www.reduc-auto.com/ajax_marqueModele.php?marque="+marque+"",  true); 
	listing.send(null); 
}

function url_form(){
	var destination;
	destination="http://www.reduc-auto.com";
	
	destination +='/'+document.formulaire.marque.options[document.formulaire.marque.selectedIndex].text;
	destination +='/'+document.formulaire.modele.options[document.formulaire.modele.selectedIndex].text;
	destination +='/'+document.formulaire.carosserie.options[document.formulaire.carosserie.selectedIndex].text;
	destination +='/'+document.formulaire.energie.options[document.formulaire.energie.selectedIndex].text;
	destination +='/'+document.formulaire.prix.options[document.formulaire.prix.selectedIndex].value;
	destination+='.html';

	document.formulaire.action=destination;
	document.formulaire.submit();
}