Java enabled Browser ?

In Windows XP Pro, I have installed Java 2 Runtime Environment, SE v1.4.2_03…My problem is some Web pages won’t, doesn’t let me see the whole picture…It says I need a Java enabled Browser…I’m using Internet Exployer 6.0 with what I’ve installed above, but I guess that’s not the right one, I did get it from Windows update…I would like to get the whole picture…Please will you help…Thanks…Kenny