/************ START navigation ********************/

function initNav(){
    
    var currentNavItem = null;    
    var navEls = $$('div#navbar ul li');
    
    navEls.each(function(el){
        if (el.hasClass('on')) {
            currentNavItem = el;
        }
    });
    
    navEls.each(function(el){
    
        el.addEvent('mouseover', function(e){
            if (el.getNext()) {
                if ($(el.getNext().firstChild).hasClass('L1nav_selected')) {
                    $(el.getNext().firstChild).addClass('L1nav_selected_one');
                } else {
                    $(el.getNext().firstChild).addClass('L1nav_selected_next');
                }
            }
        });
        
        el.addEvent('mouseout', function(e){
            if (el.getNext()) {
                if ($(el.getNext().firstChild).hasClass('L1nav_selected_one')) {
                    $(el.getNext().firstChild).removeClass('L1nav_selected_one');
                } else {
                    if (el != currentNavItem) {
                        $(el.getNext().firstChild).removeClass('L1nav_selected_next');
                    }
                }
            }
        });
        
    });

};