| 6665 | } |
| 6666 | |
| 6667 | function initIframe () { |
| 6668 | if (self.iframe) { |
| 6669 | try { |
| 6670 | self.form.removeChild(self.iframe); |
| 6671 | } catch (e) { |
| 6672 | self.onError('jsonp polling iframe removal error', e); |
| 6673 | } |
| 6674 | } |
| 6675 | |
| 6676 | try { |
| 6677 | // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) |
| 6678 | var html = '<iframe src="javascript:0" name="'+ self.iframeId +'">'; |
| 6679 | iframe = document.createElement(html); |
| 6680 | } catch (e) { |
| 6681 | iframe = document.createElement('iframe'); |
| 6682 | iframe.name = self.iframeId; |
| 6683 | iframe.src = 'javascript:0'; |
| 6684 | } |
| 6685 | |
| 6686 | iframe.id = self.iframeId; |
| 6687 | |
| 6688 | self.form.appendChild(iframe); |
| 6689 | self.iframe = iframe; |
| 6690 | } |
| 6691 | |
| 6692 | initIframe(); |
| 6693 | |