<script>
function calcHeight() {
        //find the height of the internal page
        var the_height = document.getElementById(‘the_iframe’).contentWindow.
        document.body.scrollHeight;

        //change the height of the iframe
        document.getElementById(‘the_iframe’).height = the_height;
    }
</script>

<iframe width="100%" id="the_iframe"   onLoad="calcHeight();"
    src="<%=GetCareerURL()%>" scrolling="no" frameborder="0" height="1">
    An iframe capable browser is required to view this web site.
</iframe>