function change_selected(id)
{	
  if (  $('option_'+id) == undefined )
  {
	  $('mailcontact').style.background = '#FF8C00';  
  }
  else
  {
    $('option_'+id).selected=true;
    new Effect.ScrollTo('contact',{duration: 1});; return false;
  }
	
	
  
	
	
}


function sendRecherche()
{
	
	if ( $F('q_recherche') != '') 
	{		
		$('form_recherche').submit();
	}
	else
	{		
		return false;	
	}
}


function select_by_ville(ville)
{

  new Ajax.Request('ajax.php?ville=' + ville, {
        onSuccess: function(transport) {
          $('select_ville_liste').update( transport.responseText ); 
          Effect.Appear('select_ville');              
        }
      });


}


function menu_appear(id_menu)
{  
  Effect.toggle('menu_' + id_menu, 'appear');                
}



  


function hideAll()
{
  $('lettre').select('div').invoke('hide');
}

function openAll()
{
  $('lettre').select('div').invoke('show');
}