function validate_form() {
	var name = document.getElementById('name');
	var phone = document.getElementById('phone');
	var zip = document.getElementById('zip');
	var email = document.getElementById('email');
	
	var nameReg = /\w+ \w+/;
	if (nameReg.test(name.value) == false) {
		alert("Please specify your first and last name.");
		name.focus();
		return false;
	}
	
	var phoneReg = /^[01]?[- .]?\(?[2-9]\d{2}\)?[- .]?\d{3}[- .]?\d{4}$/;
	if (phoneReg.test(phone.value) == false) {
		alert("Please enter a valid phone number.");
		phone.focus();
		return false;
	}
	
	var zipReg = /^((\d{5})|(\d{5}-\d{4}))$/;
	if (zipReg.test(zip.value) == false) {
		alert("Please enter a zip code.");
		zip.focus();
		return false;
	}
	
	var emailReg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(emailReg.test(email.value) == false) {
		alert("Please specify a valid email address. Email is the fastest and most reliable way for you to receive your quotes. We promise we won't share your email address with anyone.");
		email.focus();
		return false;
	}
	
	return true;
}