$(function() {
	$('.error').hide();
	
	$('.button').click(function() {
	
		$('.error').hide();
		
     		var firstName = $("input#first-name").val();
     		
     			if (firstName == "") {
     			
     			$("span#first-name-error").fadeIn();
     			$("input#first-name").focus();
     			return false;
     			
     			}
		
     		var lastName = $("input#last-name").val();
     		
     			if (lastName == "") {
     			
     			$("span#last-name-error").fadeIn();
     			$("input#last-name").focus();
     			return false;
     			
     			}
     			
		
     		var email = $("input#email").val();
     		
     			if (email == "") {
     			
     			$("span#email-error").fadeIn();
     			$("input#email").focus();
     			return false;
     			
     			}
     			
     			
     		var agree = $("input#agree").val();
     		
     			if (agree == true) {
     			
     			$("span#agree-error").fadeIn();
     			$("input#agree").focus();
     			return false;
     			
     			}
      
			});

});