$(document).ready(function(){

  $(".ww_bnav_catbox").mouseenter(
    function(event){
      var $target = $(event.currentTarget);
      $target.children(".ww_bnav_subcatbox").css('left', '0px');
    }
  );
  
  $(".ww_bnav_catbox").mouseleave(
    function(event){
      var $target = $(event.currentTarget);
      $target.children(".ww_bnav_subcatbox").css('left', '-10000px');
    }
  );
  

});