Jaz,
It looks like you want to clear up the browser history in IE6.
To to this, you have to go to
Tools >>
Internet Options and you will see the Options box.
There you will see a series of buttons. You want to click on
Clear History then
Yes to confirm history deletion.
You can also clear up the Cookies and Caches (saved) files by clicking on their respective buttons and confirming the deletion.
here is a screen shot for your benefit.