function faq(id, div)
{
 if ($(id).style.display=='none')
 {
    $(id).setStyle('display', 'block');
    $(div).setStyle('background','transparent url(/images/artsdelarue/deplier.gif) no-repeat center left');
 }
 else
 {
   if ($(id).style.display=='')
   {
    $(id).setStyle('display', 'block');
    $(div).setStyle('background','transparent url(/images/artsdelarue/fleche_orange.gif) no-repeat center left');
   }
   else
   {
    $(id).setStyle('display', 'none');    		        
    $(div).setStyle('background','transparent url(/images/artsdelarue/fleche_orange.gif) no-repeat center left');
   }
 }
}