function setCurrentOption(option_num) {
    $('link_menu_'+option_num).addClass('current');
    var childs = $('link_menu_'+option_num).getChildren();
    if(childs[0]!=null) {
        childs[0].src = "/img/occidente/icons/menu_cart_ico_active.gif";
    }
}

window.addEvent('domready', function(){
    
    /* ---- Inicializacion menu principal ---- */
    
    for(var m=0;m<6;m++) {
        $('li_menu_'+m).addEvents({
            'mouseenter': function(){
                var num = this.id.substring((this.id.length-1),this.id.length);
                $('li_menu_'+num).addClass('active');
                if(num>0) {
                    $('li_menu_'+(num-1)).addClass('leftactive');
                    if(num<5) {
                        $(num+'_submenu').setStyle('display', 'block');
                        $(num+'_submenu_content').setStyle('display', 'block');
                    }
                }
            },
            'mouseleave': function(){
                var num = this.id.substring((this.id.length-1),this.id.length);
                $('li_menu_'+num).removeClass('active');
                if(num>0) {
                    $('li_menu_'+(num-1)).removeClass('leftactive');
                    if(num<5) {
                        $(num+'_submenu').setStyle('display', 'none');
                        $(num+'_submenu_content').setStyle('display', 'none');
                    }
                }
            }
        });
    }
    if($('menu_option')) {
        setCurrentOption($('menu_option').value);
    }
  
});