Using the program Skinbar2000, you can customize the top navigation bar on your browser (the part that has the "back",
"stop", "refresh" buttons). I've made a couple of KAT-TUN skins for your navigation bar. All you need to do is download the
program below, unzip it into its own folder, and click on Skinbar2000 to choose your new navigation bar skin.
Save the pictures below to use with Skinbar2000, whichever size suits your screen resolution: