// popup functions ###############################################################################################/
function open_popup (ref, url, width, height, scroll, menu, toolbar, location, status, resizable, titlebar) {
  window.open(url,
              ref,
              "toolbar=no, location=no, menubar=" + ((menu) ? 'yes' : 'no')  + ", " +
              "scrollbars=" + ((scroll) ? 'yes' : 'no')  + ", " +
              "toolbar=" + ((toolbar) ? 'yes' : 'no')  + ", " +
              "status=" + ((status) ? 'yes' : 'no')  + ", " +
              "location=" + ((location) ? 'yes' : 'no')  + ", " +
              "resizable=" + ((resizable) ? 'yes' : 'no')  + ", " +
                      "titlebar=" + ((titlebar) ? 'yes' : 'no') + ", " +
              "width=" + width + ", height=" + height
             );
}

// search
function search () {
  var keyword = document.getElementById('keyword').value;
  if (keyword) {
    window.location = '/search/keyword-' + keyword + '/';
  }
}

// gift finder
function gift_finder () {
  var category = document.getElementById('gift_category').value;
  var price    = document.getElementById('gift_price').value;
  if (category && price) {
    window.location = category + price + '/';
  }
}