Internet Explorer 8

• From the Safety menu in the upper right, click Delete Browsing History... .
• Check Temporary Internet files and then click Delete.

Internet Explorer 7

• From the Tools menu in the upper right, select Delete Browsing History.
• Next to "Temporary Internet Files", click Delete files... .
• Click Close, and then click OK to exit.

Firefox 3.5

• From the Tools menu, select Clear Recent History... .
• From the Time range to clear: drop-down menu, select the desired range; to clear your entire cache select Everything.
• Click the down arrow next to Details to choose what history elements to clear. Click Clear Now.

Firefox 3

• From the Tools menu, select Clear Private Data... , check Cache, Click Clear Private Data Now.

Google Chrome

• From the Wrench icon in upper right, select Options, Under The Hood, Clear Browsing Data.... Then check the Empty the Cache option, and click Clear Browsing Data.

Safari

• From the Safari menu, select Empty Cache....
• When prompted, click Empty to confirm.