vanilla.namespace('acnv.navigation');
acnv.navigation = 
{
    init : function()
    {
	var nav 	= EL('navigation');
	var items 	= nav.getElementsByTagName('li');
	
	var fv = function()
	{
	    acnv.navigation.overState(this);
	};

	var fo = function()
	{
	    acnv.navigation.outState(this);
	};
	
	for ( var i = 0 ; i < items.length ; i++ )
	{
	    var li = items[i];
	    li.onmouseover = fv;
	    li.onmouseout = fo;
	}
    },
    
    overState : function(li)
    {
	if ( !vanilla.html.DOM.hasClassName(li, 'over') )
	{
	    vanilla.html.DOM.addClassName(li, 'over');
	}
    },

    outState : function(li)
    {
	vanilla.html.DOM.removeClassName(li, 'over');
    }
};

vanilla.addOnloadListener(acnv.navigation.init, acnv.navigation);