Checking if Player object is out of bounds

Hello, I have written a javascript code for checking the player if they have fell out of bounds. This is a 3D platformer that I am tring to make. I am recieving errors and can not run the game with this script. What am I doing wrong in the code? Please help! ![alt text][1] [1]: /storage/temp/75409-check-player-is-out-of-bounds.jpg