code: function highContrast() {
          var c, $div, el, rgb;
  
          // High contrast mode deals with white and black
          rgb = 'rgb(120,2,153)';
          $div = $('<div style="width:0;height:0;color:' + rgb + '">');
          $('body').append($div);
          el = $div.get(0);
  
          // $div.css() will get the style definition, not
          // the actually displaying style
          if (wind.getComputedStyle) {
              c = wind.getComputedStyle(el, '').color;
          } else {
              c = (el.currentStyle || el.style || {}).color;
          }
  
          $div.remove();
          return c.replace(/ /g, '') !== rgb;
      }
docs: Test if high contrast mode is enabled.
  
  In high contrast mode, background images can not be set and
  they are always returned as 'none'.
  
  @return {Boolean} True if in high contrast mode