you changed the name of the add to cart button element. you'll nee to change it back.
change:
<input type="image" src="WA_eCart/Images/Pacifica/Btn2_EN_addtocart.gif" border="0" class="eC_ImageButton" value="Add to Cart" name="http://www.skylinksmensclub.org/TournamentCartNew.php">
to:
<input type="image" src="WA_eCart/Images/Pacifica/Btn2_EN_addtocart.gif" border="0" class="eC_ImageButton" value="Add to Cart" name="TournamentSignUp_1_ATC">