Web site how to add logo insted of the internet explorer logo?

im building a web sit for my business and it comes up with the internet explorer logo when you log on to the site many other sites have there own logo intend how can i do this im using web Studio 5 to build the web site i have everything else all sweet but would like to have my owe little logo ind ted of the internet explorer logo like in the web tab thing that has the site name in it