var COMPOSANTSELECT = {

      Select : Class.create(),
    
      linkSelect: function (idSelect,idSubmit)
    {
        new COMPOSANTSELECT.Select(idSelect, idSubmit);
    }
}

COMPOSANTSELECT.Select.prototype = {  
      initialize: function(idSelect,idSubmit)
    {
            $(idSelect).observe("change",this.submitMode.bind(this,idSelect,idSubmit));
    },
    
    submitMode: function(idSelect,idSubmit)
    {
     if(($(idSelect).value=="Votre région")||($(idSelect).value=="Votre ville"))
     {
     }else{
       $(idSubmit).click();
     }
     
    }
};