function pollsize() {
    var dyniframe=new Array();
    if (document.getElementById){ //begin resizing iframe procedure
        dyniframe = document.getElementById("ipoll");
        if (dyniframe && !window.opera){
            dyniframe.style.display="block";
            if (dyniframe.contentDocument && dyniframe.contentDocument.body.offsetHeight) //ns6 syntax
                dyniframe.height = dyniframe.contentDocument.body.offsetHeight+4;
            else if (dyniframe.Document && dyniframe.Document.body.scrollHeight) //ie5+ syntax
                dyniframe.height = dyniframe.Document.body.scrollHeight;
        }
    }
}