function defRegion(dpt)
	{

  var selRegion    = document.getElementById("selRegion");
  var selDpt       = document.getElementById("selDpt");
  var indiceRegion = selRegion.value;
  var dpt = dpt;
  
  // Temps que selDpt contient des noeuds...
  while (selDpt.hasChildNodes())
  {
  	// Supprime le premier noeud.
  	selDpt.removeChild(selDpt.firstChild);
  }
  
  // Suivant la région sélectionnée...
  switch (indiceRegion)
  {
  	case "1":
    
    var opt = document.createElement("option");
    opt.setAttribute("value", 67);
    var itmText = document.createTextNode("Bas Rhin");
    opt.appendChild(itmText);
	 if (dpt==67) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
	
	 var opt = document.createElement("option");
    opt.setAttribute("value", 68);
    var itmText = document.createTextNode("Haut Rhin");
    opt.appendChild(itmText);
	 if (dpt==68) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
    break;
    
  	case "2": 

    var opt = document.createElement("option");
    opt.setAttribute("value", 24);
    var itmText = document.createTextNode("Dordogne");
    opt.appendChild(itmText);
	 if (dpt==24) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
	var opt = document.createElement("option");
    opt.setAttribute("value", 33);
    var itmText = document.createTextNode("Gironde");
    opt.appendChild(itmText);
	 if (dpt==33) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
	
	var opt = document.createElement("option");
    opt.setAttribute("value", 40);
    var itmText = document.createTextNode("Landes");
    opt.appendChild(itmText);
	 if (dpt==40) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
    var opt = document.createElement("option");
    opt.setAttribute("value", 47);
    var itmText = document.createTextNode("Lot et Garonne");
    opt.appendChild(itmText);
	 if (dpt==47) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
    var opt = document.createElement("option");
    opt.setAttribute("value", 64);
    var itmText = document.createTextNode("Pyrénées Atlantiques");
    opt.appendChild(itmText);
	 if (dpt==64) opt.setAttribute('selected','selected');
    selDpt.appendChild(opt);
	
    break;
  }
 	}
	
	
	
	function clicker(that) 
	 {
		 
var pick = that.options[that.selectedIndex].value;

//remise zéro

document.getElementById("option_kilometrage").innerhtml='';
document.getElementById("option_annee").value='';
document.getElementById("option_cylindre").value='';
document.getElementById("option_surface").value='';
document.getElementById("option_piece").value='';
document.getElementById("option_capacite").value='';
document.getElementById("option_carburant").value='';

document.getElementById("option_kilometrage").style.display='none';
document.getElementById("option_annee").style.display='none';
document.getElementById("option_cylindre").style.display='none';
document.getElementById("option_surface").style.display='none';
document.getElementById("option_piece").style.display='none';
document.getElementById("option_capacite").style.display='none';
document.getElementById("option_carburant").style.display='none';





if (pick == "2") {//auto

document.getElementById("option_kilometrage").style.display='';
document.getElementById("option_annee").style.display='';
document.getElementById("option_carburant").style.display='';

}

if (pick == "3") {// moto
document.getElementById("option_annee").style.display='';
document.getElementById("option_cylindre").style.display='';
}

if (pick == "5") {// utilitaire
document.getElementById("option_kilometrage").style.display='';
document.getElementById("option_annee").style.display='';
document.getElementById("option_carburant").style.display='';
}
	
if (pick == "9") {// vente
document.getElementById("option_piece").style.display='';
document.getElementById("option_surface").style.display='';
}
	
if (pick == "10") {// location
document.getElementById("option_piece").style.display='';
document.getElementById("option_surface").style.display='';
}
	
	
if (pick == "11") {// colocation
document.getElementById("option_piece").style.display='';
document.getElementById("option_surface").style.display='';
}
	
	
if (pick == "12") {// location vacances
document.getElementById("option_capacite").style.display='';

}

if (pick == "13") {// bureau
document.getElementById("option_surface").style.display='';

}
	
}




function display1() {
document.getElementById('option_prix').style.display='';
document.getElementById('option_photo').style.display='';
}

function display2() {

document.getElementById('option_prix').style.display='none';
document.getElementById('option_photo').style.display='';

}

function display3() {
document.getElementById('option_prix').style.display='none';
document.getElementById('option_photo').style.display='';

}

function display4() {
document.getElementById('option_prix').style.display='';
document.getElementById('option_photo').style.display='';
document.getElementById('prixloc').style.display='';
}
function display5() {
document.getElementById('option_prix').style.display='none';
document.getElementById('option_photo').style.display='';

}