First, it is <=. You would get an error if you have the wrong operator.
Second, I don't understand how you have coded. Please post the code as well, make sure it is inside [ php] and [/code] tags (without the space).
Third, DON'T SCREAM. WE CAN UNDERSTAND YOU ANYWAY. IN FACT, YOU REDUCE YOUR CHANCE OF GETTING AN ANSWER IF YOU SCREAM.