google_cse.js

(function ($) {

  $(function () {
    var googleCSEWatermark = function (id) {
      var f = $(id)[0];
      if (f && (f.query || f['edit-search-block-form--2'] || f['edit-keys'])) {
        var q = f.query ? f.query : (f['edit-search-block-form--2'] ? f['edit-search-block-form--2'] : f['edit-keys']);
        var n = navigator;
        var l = location;
        if (n.platform == 'Win32') {
          q.style.cssText = 'border: 1px solid #7e9db9; padding: 2px;';
        }
        var b = function () {
          if (q.value == '') {
            q.style.background = '#FFFFFF url(https://www.google.com/cse/intl/' + Drupal.settings.googleCSE.language + '/images/google_custom_search_watermark.gif) left no-repeat';
          }
        };
        var f = function () {
          q.style.background = '#ffffff';
        };
        q.onfocus = f;
        q.onblur = b;
//      if (!/[&?]query=[^&]/.test(l.search)) {
        b();
//      }
      }
    };
    googleCSEWatermark('#search-block-form.google-cse');
    googleCSEWatermark('#search-form.google-cse');
    googleCSEWatermark('#google-cse-results-searchbox-form');
  });

})(jQuery);