var activeItem = null;

$(document).ready(function(){
    
    var menulinks = $('.menucontent a');
    
    menulinks.each(function(index, link){
        
        $(link).bind('click', function(event){
            
            var link = $(event.target);
            
            if(!link.attr('rel'))
                return true;
            
            if(activeItem)
                activeItem.removeClass('active');
            
            setActiveItem(link);
        });
    });
    
    $(window).bind('resize', function(){
        
        positionMenu();
    });
    
    positionMenu();
});

function setActiveItem(link)
{
    link.addClass('active');
    activeItem = link;
}


function positionMenu()
{
    var windowWidth = $(window).width();
    var contentWidth = 930;
    
    var menuX = (windowWidth/2) - (contentWidth/2);
    if(menuX < 0)
        menuX = 0;
    
    $('#menu').css('left', menuX);
}