var FlashHeed = (function(window) {
    
  var document = window.document;
    
  var gsub = function(string, pattern, replacement) {
    var result = '', source = string, match;
        
    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += replacement;
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  };
    
  var heed = function(el) {
    if(el === undefined || el === null) var el = document;
        
        
    var objects = el.getElementsByTagName('object');
    var len = objects.length;
    var i;
        
    for(i = 0; i < len; i++) {
      var o = objects[i];
      var params = o.getElementsByTagName('param');
      var params_length = params.length;
      var embeds = o.getElementsByTagName('embed');
      var embed = null;
      if(embeds.length > 0) var embed = embeds[0];

      // Handle embed tag (for non-IE)
      if(embed) {
        // Need to set the embed wmode attribute
        // In this case, we need to remove and re-add the child node
        embed.setAttribute('wmode', 'transparent');
        var nx = embed.nextSibling, pn = embed.parentNode;
        pn.removeChild(embed);
        pn.insertBefore(embed, nx);
      }

      // Handle param tags (for IE)
      var correct_wmode_found = false;
      var incorrect_wmode_found = false;

      for(var j = 0; j < params_length; j++) {
        if(params[j].name === 'wmode') {
          if(/transparent/i.test(params[j].value) || /opaque/i.test(params[j].value)) {
            // an existing wmode with "transparent" or "opaque" is found
            correct_wmode_found = true;
          } else {
            incorrect_wmode_found = true;
          }
        }
      }

      if(!correct_wmode_found || incorrect_wmode_found) {
        var html = o.outerHTML;
        var nx = o.nextSibling, pn = o.parentNode;

        // Do a string replacement for a window param that IE injects be default to the innerhtml
        html = gsub(html, /<param name="wmode".*?>/i, '');

        // Add the correct transparent wmode param
        html = gsub(html, /<\/object>/i, '<PARAM NAME="WMode" VALUE="Transparent"></object>');

        // Totally remove the object tag from the dom
        pn.removeChild(o);

        // Add it to our new div, only to clobber it immediately.
        // This is the only way we've found to force IE to unrender the object.
        // We use a new container for this because you can't mess with the innerhtml
        // of an object tag. (throws a runtime error)
        var div = document.createElement("div");
        div.appendChild(o);
        div.innerHTML = '';

        // Update it with our new HTML that has the correct param tag
        div.innerHTML = html;

        // Finally, insert this new div back in the original spot
        pn.insertBefore(div, nx);
      }
    }
  }
    
  return {
    heed: heed
  }
})(window);