$(document).ready(function(){
	$("#contact_form").validate({
		rules: {
			first_name: "required",
			last_name: "required",
			email: {required: true, email: true},
			address: "required",
			company: "required",
			city: "required",
			zip: {required: true, integer: true, minlength: 5},
			comments: "required"
		},
		messages: {
			first_name: "Please enter your first name",
			last_name: "Please enter your last name",
			email: "Please enter a valid email address",
			address: "Please enter your address",
			company: "Please enter your company name",
			city: "Please enter your city",
			zip: "Please enter a valid zip code",
			comments: "Please enter your comment or question"
		}
	});
	
	$("#position-other").bind("click", function(){
		showOther();							    
	});			   	
	
});

function showOther() {
	if( $("#position-other:checked").val() != null ){
		$("#other").show();
	}else{
		$("#other").hide();
	}
}