1. <script type="text/javascript">
2. function reinitIframe() {
3. var iframe = document.getElementById("form-iframe");
4. try {
5. var bHeight = iframe.contentWindow.document.body.scrollHeight;
6. var dHeight = 900;
7. var height = Math.max(bHeight, dHeight);
8. iframe.height = height;
9. } catch (ex) {}
10. }
11. window.setInterval("reinitIframe()", 200);
12. </script>

<script type="text/javascript"> 
        function reinitIframe() {
          var iframe = document.getElementById("form-iframe");
          try {
            var bHeight = iframe.contentWindow.document.body.scrollHeight;
            var dHeight = 900;
            var height = Math.max(bHeight, dHeight);
            iframe.height = height;
          } catch (ex) {}
        }
        window.setInterval("reinitIframe()", 200);
</script>