It seems there is an incompatibility with IE with the document.body.removeChild(). This took care of it:

if (window.parent.loDiv)
{
   window.parent.loDiv.parentNode.removeChild(window.parent.loDiv)
}

Basically, the concept is to focus on using the actual point of reference, moving it to the parent, and it can then remove itself (its child), which is what we want.