var display = $empty;

window.addEvent('domready', function() {
	var no = 0;
	if (typeof(menu_index) === 'undefined')
	 menu_index = 0;

	var myAccordion = new Accordion($('menu_left'), 'div.toggler', 'div.element', {
		opacity: false,
		onActive: function(toggler, element){
			toggler.setStyle('background-position', '0px 0px');
		},
		onBackground: function(toggler, element){
			toggler.setStyle('background-position', '0px -35px');
		}
	});
  
  $$('.toggler').each(function(item, index){
   
    item.addEvent('click',function(event){
      event.stop();
      no = index;
    });
    
    item.addEvent('mouseover',function(event){
      event.stop();
      if (no != index)
        this.setStyle('background-position', '0px -70px');
    });
    
    item.addEvent('mouseout',function(event){
      event.stop();
      if (no != index)
        this.setStyle('background-position', '0px -35px');
    });
  });
  
  // on définit quel section du menu sera affichée
  myAccordion.display(menu_index);
  
  display = function(menu_index){
    myAccordion.display(menu_index);
  }
});