IE gives me a problem with an application. It only happens in that browser. This is version 9. Some others reported the problem on other version. I have read on the net that IE gives a lot of those Invalid argument noted as one of the worst browser that ever existed. Ok, so this is some feedback I read. But, that doesn't help in resolving the issue.

The situation is that I have the application running for hours or days where a few lines will dump the content of the IFrame into a DIV. So, the IFrame only serves for loading the content. Then, I use a DIV to show the content on top of my main page, such as Facebook is doing for the photo slideshow.

So, this runs ok for a long time and suddently, it gives:

"Message: Invalid argument."

This is the only code I have in that page:

if (window.parent.loDiv)
{
   window.parent.document.body.removeChild(window.parent.loDiv)
}
window.parent.loDiv=window.parent.document.createElement("div")
loDiv=window.parent.loDiv
window.parent.document.body.appendChild(window.parent.loDiv)

IFrameInitialization()

function IFrameInitialization()
{
   loDiv.style.position='absolute'
   loDiv.style.left='0px'
   loDiv.style.top='0px'
   loDiv.style.width="100%"
   loDiv.style.height=window.parent.document.body.scrollHeight+"px"
   loDiv.style.background="url(Images/DivFade.png)"
   loDiv.style.visibility="hidden"
   loDiv.innerHTML=" "+document.body.innerHTML
   loDiv.style.visibility="visible"
   loDiv.focus()
}

function CloseWindow()
{
}

This page mentions that this may happens when we try to set an invalid value when using the style:

http://stackoverflow.com/questions/1008290/invalid-argument-error-in-ie-in-a-line-number-that-doesnt-exist

In my code, I have this on the 6th line of the IFrameInitialization() function where I try to set loDiv.style.height.

So, it seems, that after a while, IE looses contact with window.parent, or window.parent.document, or window.parent.document.body.

Anyone would have any feedback on this?