function autoFitFrame(fr) 
{

    // Set the styles display to an inline-block
    fr.style.display = "inline-block";

    if (this.document.body.scrollHeight)
    {   // Frame height = get height of scroll
        fr.height =fr.contentWindow.document.body.scrollHeight + "px";
    }
    else 
    {
        fr.height = "1200px";
    }
}