Stop IE from loading dynamically included script twice

Question

I am including some related content on misc. web pages by adding a

Answer 1

The root difference is that IE executes a script element the first time it is added to a parent element's childNodes, regardless of whether the parent element is actually in the document. Other browsers only execute script when it is added to a node inside the document's tree of childNodes.

jQuery's domManip function (line 524 of jQuery 1.3.2), which is called by append and other similar jQuery methods, tries to be clever and calls evalScript for any