Here's an example of something that I do not believe would work in modern browsers: http://msdn.microsoft.com/en-us/library/ms970405.aspx http://msdn.microsoft

Here's an example of something that I do not believe would work in modern browsers: http://msdn.microsoft.com/en-us/library/ms970405.aspx http://msdn.microsoft.com/en-us/library/ms970405.aspx If your entire application was created like that then you are talking about a significant overhaul.