function valeur(ids, val)
{
			var provinceId = "";
			var indice = ids;
			var tmpVars = 0;	
	
			isRefreshing = 1;
			isToProvince = ids;
			//Not used for the moment
			provinceId = document.forms["regione"].elements["cmbProvince" + indice].options[document.forms["regione"].elements["cmbProvince" + indice].selectedIndex].value
			document.forms["regione"].cmbProvince1.selectedIndex.select="selected";
		if (indice == 1){
		}else if (indice == 2){
		}else if (indice == 3){
		}
		if (document.forms["regione"].elements["cmbProvince" + indice].value!="T")
		{
			document.forms["regione"].elements["liste"].value = "oui"				
		}
		else
		{
			document.forms["regione"].elements["liste"].value = "non"
		}
		document.forms["regione"].action = "/spazi/evento.php"
		document.forms["regione"].submit()
}



function valideForm(i,j,k,l)
{
	var cpt=0;
	var lsMani="";
	
	with (document.forms["regione"])
	{
		for(inc=1;inc<=11;inc++){
			//Province
			if (elements["chkCapacite" + inc].checked)
				cpt++;				
		}
			if (cpt==0)
		{
		alert("E' obbligatorio  inserire almeno una capienza");
			return false;
		}
	
	}
	
	document.regione.action="../spazi/multisearch.php";
	document.regione.submit();
}		

<!----------------------------------------------------------------------------------------------------->		
var lsManif = "";
function ctrlMani( val, chk){
	needRefresh = false;
	//Le nombre d'éléments dans la liste
	var bEl = parseInt(document.forms["regione"].elements["totalMani"].value,10) 

	with (document.forms["regione"])
	{
		if(chk.checked)
		{
				if(lsManif.search(val)==-1)
				{
					lsManif += val + ";";
				}
		}
		else
		{
				lsManif = lsManif.replace(val + ";", "");
			
		}
	}	

	document.forms["regione"].elements["lstTypeManif"].value = lsManif
}

<!----------------------------------------------------------------------------------------------------->		
var lsLieu = "";
function ctrlLieu( val, chk){
	needRefresh = false;
	with (document.forms["regione"])
	{
		if(chk.checked){
				if(lsLieu.search(val)==-1)
				{
					lsLieu += val + ";";
				}
				//if(lsIdManif.search("," + chk.value + ",")==-1)lsIdManif += chk.value + ",";

		}
		else
		{
				lsLieu = lsLieu.replace(val + ";", "");
			
		}
	}	

	document.forms["regione"].elements["lstTypeLieu"].value = lsLieu
}


<!----------------------------------------------------------------------------------------------------->		
function verifProv(chk,i)
{
	var cpt=0;
	with (document.forms["regione"])
	{

		for(inc=1;inc<=i;inc++)
		{
			if (elements["cmbProvince" + inc].checked)
			{
					cpt++;				
			}
		}
		if (cpt>3)
		{
			chk.checked=false;
			alert("Dovete scegliere al massimo tre province");
			return false;
		}
	}
}

var selectname="";
var selectVille=null;
var xhr=null;

function ajax_getCities(objetSelect)
{  
  selectname=objetSelect.name;
  var ieversions = new Array('Msxml2.XMLHTTP',
      'Microsoft.XMLHTTP',
      'Msxml2.XMLHTTP.5.0',
      'Msxml2.XMLHTTP.4.0',
      'Msxml2.XMLHTTP.3.0');
      
  if (selectname == "cmbProvince1")
  {selectVille = document.getElementById('villes1');}
    
  if (selectname == "cmbProvince2")
  {selectVille = document.getElementById('villes2');}
  
  if (selectname == "cmbProvince3")
  {selectVille = document.getElementById('villes3');}
    
  if (objetSelect.options[objetSelect.selectedIndex].value!="T" 
    && objetSelect.options[objetSelect.selectedIndex].value!="0")
  { 
    if(window.XMLHttpRequest && !(window.ActiveXObject))
    {
      try {
        xhr = new XMLHttpRequest();
      }catch(e) {
        xhr = null;
      }
    // branch for IE/Windows ActiveX version
    } 
    else{
      if(window.ActiveXObject)
      {
        for (var i=0 ; i<ieversions.length ; i++)
        {
          try{
              xhr = new ActiveXObject(ieversions[i]);
              break;
          }catch(e){
            xhr = null;
          }
        }
      }else {
        xhr = null;
      }
    }
    if(!xhr)
    {
      try{
        valeur(selectname.charAt(11),objetSelect);
      }catch(e)
      {}
    }
    //on définit l'appel de la fonction au retour serveur
    else
    {
      xhr.onreadystatechange = function(){ 
        if (xhr.readyState == 4)
        {ajax_setSelect(xhr,objetSelect);}
      };
      //on appelle le fichier reponse.txt
      
      xhr.open("GET", "http://www.locationeventi.com/spazi/scripts/sc_villesXML.php?prov_id="+objetSelect.options[objetSelect.selectedIndex].value+"&id="+document.forms["regione"].elements["id"].value, true);
      xhr.send(null);
    }
  }
  else
  {   
    selectVille.options.length=0;
    selectVille.disabled=true;
  }
}

function ajax_setSelect(xhr,objetSelect)
{
  var docXML= xhr.responseXML;
  
  if (xhr.readyState == 4)
  {
    var items = docXML.getElementsByTagName("data")
    //on fait juste une boucle sur chaque élément "donnee" trouvé
    
    selectVille.disabled=false;
    selectVille.options.length=items.length;
    
    for (i=0;i<items.length;i++) {
      if (items.item(i).firstChild){
        selectVille.options[i].innerHTML = items.item(i).firstChild.data;
      }
      selectVille.options[i].value=items.item(i).getAttribute("ville_id");
      selectVille.options[i].setAttribute("id",items.item(i).getAttribute("ville_id"));
      if (items.item(i).getAttribute("ville_id") == 'T'){
          selectVille.options[i].selected=true;
      }
    }
  }
}