theObjects = document.getElementsByTagName("object"); 
for (var i = 0; i < theObjects.length; i++) { 
  theObjects[i].outerHTML = theObjects[i].outerHTML;
  //  theObjects[i].wmode = "transparent";
}

// Firefox wmode
//theEmbeds = document.getElementsByTagName("embed");
//for (var i = 0; i < theEmbeds.length; i++) {
//  theEmbeds[i].setAttribute('wmode', 'transparent');
//}