Hi All I'm getting errors when trying to access particular frame from frames collection in WebBrowser Control. I'm using IE6 on XP sp2. document.all("some_IFrame"); // OK document.frames.length; // OK - getting correct count document.frames("some_IFrame"); // ERROR document.frames(0); // ERROR document.all("some_IFrame").contentWindow // ERROR I'm trying change the content of IFrame from javascript. My html page is hosted in WebBrowser control. Any ideas?? regards