function elFocus(el, str) {
	if (el.value == str) {
		el.value = '';
		el.className = '';
	}
}
function elBlur(el, str) {
	if (el.value == '') {
		el.value = str;
		el.className = 'light';
	}
}

function validateForm() {

	var invalid = false;
	var emailRegxp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;

	if ($('name').value == '' || $('name').value == 'Name') {
		$('name').className = 'invalid';
		invalid = true;
	} else {
		$('name').className = 'light';
	}
	if (emailRegxp.test($('email').value) == false) {
		$('email').className = 'invalid';
		invalid = true;
	} else {
		$('email').className = 'light';
	}
	if ($('qc').value == '' || $('qc').value == 'Questions or Comments') {
		$('qc').className = 'invalid';
		invalid = true;
	} else {
		$('qc').className = 'light';
	}

	if (invalid == true) {
		alert("Please complete all required fields before proceeding.");
		return false;
	}
	else {
		return true;
	}

}