Iframe has a problem in displaying the content of the source in iframe

iframe displaying a RSS feed from an XML file so on subscribing to RSS, iframe goes blank and does not render any kind of control. Inspite of this, control comes for the bookmark. This functionality is working fine with all the versions of IE. but am facing thi sin all firefox versions.

Hi
Thanks for your idea.
I am not understanding what is <calculate number of pages>
int pages = <calculate number of pages>if (pageIndex >= pages){ return(NO_SUCH_PAGE);}// no need for else; if pageIndex >= pages we have returned and are not in the method anymoreGraphics2D graph = (Graphics2D)g;int x = <x coordinate of page pageIndex>int y = <y coordinate of page pageIndex>graph.translate(pageFormat.getImageableX() + x, pageFormat.getImageableY() + y);disableBuffering(compent);compent.paint(graph);enableBuffering(compent);return PAGE_EXISTS;How can we get it for JTree?
Thanks
Archana

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Iframe has a problem in displaying the content of the source in iframe

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