function CheckForm() {
	var email = document.theform.email;
	var fname = document.theform.fname;
	var phone = document.theform.phone;


	if(fname.value.length < 4) {
		alert('We need to know your name. Please enter your full name.');
		fname.focus();
		return false;
	}

	if(phone.value.length == 0) {
		alert('We need to know your phone number. Please enter your phone number.');
		phone.focus();
		return false;
	}

	if(email.value.length == 0) {
		alert('Please enter an email address.');
		email.focus();
		return false;
	}
	
	if(!validate('theform','email')) {
		alert('You entered an invalid email address. Please enter a valid email address.');
		email.focus();
		return false;
	}

	return true;
}

function validate(form_id,email) {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var address = document.forms[form_id].elements[email].value;

	if(reg.test(address) == false) return false;

	return true;
}