function iFrameHeight(iframe)
{
    var iframes=document.getElementsByName('iframe')
    if(iframes&&iframes.length){
        iframe=iframes[0]
        var doc    = 'contentDocument' in iframe ? iframe.contentDocument : iframe.contentWindow.document;
       // var height = parseInt(doc.body.scrollHeight);
        var height = doc?parseInt(doc.body.scrollHeight):500;
        if (!document.all)
        {
            iframe.style.height = parseInt(height) + 60 + 'px';
        }
        else if (document.all && iframe.id)
        {
            document.all[iframe.id].style.height = parseInt(height) + 20 + 'px';
        }
    }
}