$.find_elements = function() {
  package = $(".package").val();
  list = $('.size option:selected').map(function() {
    if(this.value != "") {
      return this.value;
    }
  }).get()

}

$.assign_value = function(list) {
  $("#os2").val(list); 
}

$(document).ready(function() {

  $("a.gallery").fancybox({
    'transitionIn'	:	'elastic',
    'transitionOut'	:	'elastic',
    'speedIn'		:	600, 
    'speedOut'		:	200, 
    'overlayShow'	:	false
  });



  $(".family-shirts").toggle();
  $(".package").change(function() {

    $.find_elements();

    $(".family-shirts").toggle();
    if(package != "Family Pack") {
      list = list[0]
    }
    else {
      list.join(',');
    }

    $.assign_value(list);

  });

  $(".size").change(function() {

    $.find_elements();
    if(package != "Family Pack") {
      list = list[0]
    }
    else {
      list.join(',');
    }

    $.assign_value(list);

  });

});