function iframeAutoFit()
{
    var ex;
    try
    {
        if(window!=parent)
        {
            var a = parent.document.getElementsByTagName("IFRAME");
            for(var i=0; i<a.length; i++)
            {
                if(a[i].contentWindow==window)
                {
                    var h1=0, h2=0;
                    if(document.documentElement&&document.documentElement.scrollHeight)
                    {
                        h1=document.documentElement.scrollHeight;
                    }
                    if(document.body) h2=document.body.scrollHeight;

                    var h=Math.max(h1, h2);
                    if(document.all) 
                    {
                        h += 4;
                    }
                    if(window.opera) 
                    {
                        h += 1;
                    }
                    a[i].style.height = h +"px";
                }
            }
        }
    }
    catch (ex)
    {}
}
if(document.attachEvent)
{
    window.attachEvent("onload", iframeAutoFit);
    window.attachEvent("onresize", iframeAutoFit);
}
else
{
    window.addEventListener('load', iframeAutoFit, false);
    window.addEventListener('resize', iframeAutoFit, false);
}