$(function() {

// OPACITY OF BUTTON SET TO 50%
$(".MainCol1").css("opacity","1.0");

// ON MOUSE OVER
$(".MainCol1").hover(function () {
								 
// SET OPACITY TO 100%
$(this).stop().animate({
opacity: 0.5
}, "slow");
},

// ON MOUSE OUT
function () {
// SET OPACITY BACK TO 50%
$(this).stop().animate({
opacity: 1.0
}, "slow");
});
});