var getFFVersion = navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
var FFextraHeight = getFFVersion >= 0.1 ? 16 : 0
function dyniframesize(iframename) {
    var pTar = null;
    if (document.getElementById) {
       pTar = document.getElementById(iframename);
    }
    else {
        eval('pTar = ' + iframename + ';');
    }
    if (pTar && !window.opera) { 
        pTar.style.display = "block"
        if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight) {  
            pTar.height = pTar.contentDocument.body.offsetHeight + FFextraHeight;
        }
        else if (pTar.Document && pTar.Document.body.scrollHeight) {  
            pTar.height = pTar.Document.body.scrollHeight;
        }
    }
}