$(function() {
// OPACITY OF BUTTON SET TO 50%
$("#index").css("opacity","0.5");
$("#teste").css("opacity","1.0");	


// ON MOUSE OVER
$("#mapbutton").hover(function () {
 
// SET OPACITY TO 100%
$("#index").stop().animate({
opacity: 1.0
	}, "slow");
	},
	 
	// ON MOUSE OUT
	function () {
	 
	// SET OPACITY BACK TO 50%
	$("#index").stop().animate({
	opacity: 0.5
	}, "slow");
	});
	});