Minecraft and Java SE 6

i have installed Java SE 6 three times and minecraft game says it still needs to be installed to run. What am I missing?

In order to help you, some questions first:
1) What version of OS X do you have? You can find out by clicking on the Apple logo in the upper left of the screen and selecting "About This Mac".
2) Open up a terminal, found by typing "terminal" into spotlight (the magnifying glass in the upper right of the screen). Once it is open, type the command "java -version". What is the result? On my computer with Java properly installed I get this:
"java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-466.1-11M4716)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-466.1, mixed mode)"

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