$(document).ready(function() {
  $(document).pngFix();
  $('#homepage-feature').cycle();
  $('body.node-type-custom_product_kit div.product-inner input[type=text]')
    .before('<img src="/images/icons/down_16.png" width="16" height="16" class="qty-down" alt="Decrease Quantity" />')
    .after('<img src="/images/icons/up_16.png" width="16" height="16" class="qty-up" alt="Inrease Quantity" />');
  $('.qty-up').click(function() { changeQty(this,1); });
  $('.qty-down').click(function() { changeQty(this,-1); });
  if($.ui && $.ui.tabs) $('.jquery-tabs').tabs();
  $('.more-products-link').click(moreClick).trigger('click');
});

function changeQty(sender,inc)
{
  var input = $(sender).siblings('input');
  var val = $(input).val();

  if(isNaN(val)) val = 1;
  else val = Math.max(0,parseInt(val) + inc);

  $(input).val(val);
}

function moreClick() {
  var show_more = $(this).hasClass('showing-fewer');
  var fieldset = $(this).parents('fieldset:first');
  var items_selected = $(fieldset).find('input[value > 0]').parents('.product-wrapper');
  var items_not_selected = $(fieldset).find('input[value=0]').parents('.product-wrapper');
  var items_hidden = $(fieldset).find('.product-wrapper:hidden');
  
  if(show_more) {
	  $(items_not_selected).fadeIn();
	  $(this).removeClass('showing-fewer').html('Show fewer choices');
  } else {
	  if(items_not_selected.length == 0) $(this).hide();
	  $(items_not_selected).fadeOut();
	  $(this).addClass('showing-fewer').html('Show more choices');
  }
}