function addEvent(obj, type, fn) {
	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] );
	} else {
			obj.addEventListener( type, fn, true );
	};
}

addOnLoad(function(){
				/*   var i=(Math.random()*5)+1;
				   i=parseInt(i,10);
				   */
_diapo_selected = "actualite1";/*
$(_diapo_selected + 'Nav').addClassName("courant");*/
if($(_diapo_selected).next().tagName != 'HR') {
setInterval('rotateDiapo()', 9000);
}
})


 //$('diapoNav').select('li').each(function(li) { li.observe('click', function() { changeDiapo('actualite' + li.getAttribute('diapo')); }); });

 
function changeDiapo(id) {
  _diapo_rotate_activate = false;
  if (id != _diapo_selected) {
    if (Prototype.Browser.IE6) {
      $(_diapo_selected).hide();
    }
    else {
      $(_diapo_selected).fade();
    }
    $(_diapo_selected + 'Nav').removeClassName("courant");

    $(id + 'Nav').addClassName("courant");
    if (Prototype.Browser.IE6) {
      $(id).show();
    }
    else {
      $(id).appear();
    }
    _diapo_selected = id;
	}
}


function initMenus() {
	$$('.effet').each(function(s,index){
		addEvent(s,'mouseover',function(){
			_diapo_id = s.id.replace('Nav','');							
			changeDiapo(_diapo_id);
		});
	});
	
	
}



addEvent(window, 'load', initMenus);




_diapo_rotate_activate = true;

function rotateDiapo(){
  if (_diapo_rotate_activate) {
    if (Prototype.Browser.IE6) {
      $(_diapo_selected).hide();
	   appearDiapo();    
    }
    else {
		Effect.Fade(_diapo_selected, { duration: 1.0,afterFinish:appearDiapo });
    }
   
  }
}

function appearDiapo() {
  $(_diapo_selected + 'Nav').removeClassName("courant");
  if ($(_diapo_selected).next().tagName != 'HR') {
    _diapo_selected = $(_diapo_selected).next().id;
  }
  else {
    _diapo_selected = $(_diapo_selected).up().down().id;
  }
  $(_diapo_selected + 'Nav').addClassName("courant");
  if (Prototype.Browser.IE6) {
    $(_diapo_selected).show();
  }
  else {
	  Effect.Appear(_diapo_selected, { duration: 1.0 });
    //$(_diapo_selected).appear();
  }
}