/* Permet d'ajouter ou de supprimer un événement par objet dans la page */
//~ http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html
function addEvent( obj, type, fn )
{
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}
/* */

var idAnchor   = 'wf-a';
var idClose     = 'wf-close';
var idInfobulle = 'wf-infobulle';

function inverseDisplayPresente() {
  if(document.getElementById(idInfobulle).style.display != 'block' ) {
    document.getElementById(idInfobulle).style.display = 'block';
  }
  else {
    document.getElementById(idInfobulle).style.display = 'none';
  }
}


function launch() {
  if(document.getElementById(idInfobulle)) {
      document.getElementById(idInfobulle).style.display = 'none';
  }
  if(document.getElementById(idAnchor)) {
      document.getElementById(idAnchor).setAttribute('href','javascript:inverseDisplayPresente();');
  }
  if(document.getElementById(idClose)) {
      document.getElementById(idClose).setAttribute('href','javascript:inverseDisplayPresente();');
  }
}

addEvent(window,'load',launch);