In the last few days, I have been working on a VT100 terminal entirely built within a web page. I use the HTML5 Canvas feature to draw the terminal surface and AJAX to a dedicated C# built server for the data flow. Well, I had this small annoying problem that the Canvas feature is not supported in Internet Explorer 6, 7 or 8. Since a lot of users use IE, it's an annoyance I wanted to try to fix.