window.addEvent('domready', function() {

    $$('.lienover').each(function(el){
      el.addEvent('mouseover', changeimage);
      el.addEvent('mouseout', changeimage);
    });

    $$('.lienover.active').each(function(el){
    	  var currentSrc = el.src;
    	  el.src = el.OldSrc == undefined ? el.src.replace('-a.gif','-b.gif') : el.OldSrc;
    	  el.OldSrc = currentSrc;
    });

    $$('.boutonhover').each(function(el){
      el.addEvent('mouseover', changebouton);
      el.addEvent('mouseout', changebouton);
    });

    $('horaires').addEvent('mouseover', function(){
    	$('divhoraires').setStyle("display", "block");
    });

    $('horaires').addEvent('click', function(e){
    	e.stop();
    });

    $('horaires').addEvent('mouseout', function(){
    	$('divhoraires').setStyle("display", "none");
    });

    $$('#insti a img.active').each(function(item) {
    	var header = $('header');
    	if(header) {
    		header.addClass('custom_insti');
    	}
    });

});

function changeimage(e){
  e = new Event(e);
  var currentSrc = e.target.src;
  e.target.src = e.target.OldSrc == undefined ? e.target.src.replace('-a.gif','-b.gif') : e.target.OldSrc;
  e.target.OldSrc = currentSrc;
}

function changebouton(e){
  e = new Event(e);
  var currentSrc = e.target.src;
  e.target.src = e.target.OldSrc == undefined ? e.target.src.replace('-a.png','-b.png') : e.target.OldSrc;
  e.target.OldSrc = currentSrc;
}