NEED HELP STAT!

I got a test kit the other day (Wal-Mart-Saltwater-Jungle Labortories Corp. I will get a better test kit soon!) because I want to take reading every day so I will know whats going with my tank. Please let me know if how the reading are and what I can do to make them better. I'm new to taking saltwater readings so any help would be appreciated. Thanks in advance. Here are the reading from this morning.

5/17/10-Tank Readings

Nitrate; 40 ppm

Nitrite: 1.0 ...