addLoadEvent(function () {
	validateContactUsForm();
});

function validateContactUsForm() {
	var form = $('contactUs_form');
	var inputName = $('inputName');
	var inputEmailAddress = $('inputEmailAddress');
	var textareaComment = $('textareaComment');

	if (!form) return;

	form.onsubmit = function () {
		if (!validate(inputName, 'Please enter a name', hasSubstance(inputName.value))) return false;
		if (!validate(inputEmailAddress, 'Please enter an email address', hasSubstance(inputEmailAddress.value))) return false;
		if (!validate(inputEmailAddress, 'Please enter a valid email address. It should resemble "name@company.com"', isEmailAddress(inputEmailAddress.value))) return false;
		if (!validate(textareaComment, 'Please enter a comment', hasSubstance(textareaComment.value))) return false;
	};
}