Changing InnerHTML Of DIV From Within IFrame In Firefox

Nov 9, 2010

I created a page that has an iframe on it. Within this iframe I call an asp page. The asp page is supposed to do some work and then update the innerHTML of a <div> object on the parent page to indicate that processing of the page in the iframe is complete. The code works in IE but not FireFox. I am wondering what is the best way to make the script work for both browsers?

Sub page JavaScript:
updateParent(){
parent.document.getElementById("num2").innerHTML = '<center><strong>Processing complete.</strong></center>';
}
Parent page:
<div id="num2"></div>

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