$(document).ready(function()
{
  
  $(".menu_item a").bind("mouseover", function()
  {
    
    var curr = $(this).parent();
    
    var prev = curr.prev();
    if (prev.hasClass("menu_join"))
      prev.addClass("menu_join_righton");
    else if (prev.hasClass("menu_left"))
      prev.addClass("menu_left_righton");
    
    var next = curr.next();
    if (next.hasClass("menu_join"))
      next.addClass("menu_join_lefton");
    else if (next.hasClass("menu_right"))
      next.addClass("menu_right_lefton");
    
  });
  
  $(".menu_item a").bind("mouseout", function()
  {
    
    var curr = $(this).parent();
    
    var prev = curr.prev();
    prev.removeClass("menu_join_righton menu_left_righton");
    
    var next = curr.next();
    next.removeClass("menu_join_lefton menu_right_lefton");
    
  });
  
  $("input#coupon_code").bind("keydown", function(event)
  {
    var key = event.charCode ? event.charCode : event.keyCode ? event.keyCode : 0;
    if (key == 13)
    {
      $("input#check_coupon").click();
      return false;
    }
  });
  
});