text: /*! Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
   * Licensed under the MIT License (LICENSE.txt).
   *
   * Version 2.1.2
   */
  
  (function($){
  
  $.fn.bgiframe = ($.browser.msie && /msie 6\.0/i.test(navigator.userAgent) ? function(s) {
      s = $.extend({
          top     : 'auto', // auto == .currentStyle.borderTopWidth
          left    : 'auto', // auto == .currentStyle.borderLeftWidth
          width   : 'auto', // auto == offsetWidth
          height  : 'auto', // auto == offsetHeight
          opacity : true,
          src     : 'javascript:false;'
      }, s);
      var html = '<iframe class="bgiframe"frameborder="0"tabindex="-1"src="'+s.src+'"'+
                     'style="display:block;position:absolute;z-index:-1;'+
                         (s.opacity !== false?'filter:Alpha(Opacity=\'0\');':'')+
                         'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+
                         'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+
                         'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+
                         'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+
                  '"/>';
      return this.each(function() {
          if ( $(this).children('iframe.bgiframe').length === 0 )
              this.insertBefore( document.createElement(html), this.firstChild );
      });
  } : function() { return this; });
  
  // old alias
  $.fn.bgIframe = $.fn.bgiframe;
  
  function prop(n) {
      return n && n.constructor === Number ? n + 'px' : n;
  }
  
  })(jQuery);