Comment 9 for bug 730547

Greg,

Error:
Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)
Timestamp: Thu, 5 May 2011 22:47:21 UTC

Message: Unexpected call to method or property access.
Line: 5148
Char: 5
Code: 0

Code:

 append: function() {
  return this.domManip(arguments, true, function( elem ) {
   if ( this.nodeType === 1 ) {
    this.appendChild( elem ); <----------Line 5148
   }
  });
 },