Add striping (odd even classes) in jQuery - stripe

striping.js

/*
   * Add striping
   *
   */
  function stripe(el){
    var count = 0;
    $(el).each(function(){
        count++;
        var classEven = '';
        var classOdd = '';
        var classThird = '';
        var classFourth = '';

        if(0 == count%2){
          classEven='even';
          $(this).addClass(classEven);
        }
        if(1 == count%2){
          classOdd='odd';
          $(this).addClass(classOdd);
        }
        if(0 == count%3 && false == $(this).hasClass('first')){
          classThird='third';
          $(this).addClass(classThird);
        }
        if(0 == count%4 && false == $(this).hasClass('first')){          
          classFourth='fourth';
          $(this).addClass(classFourth);
        }
    });
  };

  
  
  // use example
  // stripe secondary-menu
  stripe('.secondary-menu > ul li');