function validateContactus(form) {	
	if (!form.name.value || form.name.value.length<3) {
		alert("Enter the Name field");
		form.name.focus();
		return false;
	}
	if (!form.email.value || form.email.value.length<5) {
		alert("Please enter a valid Email Address");
		form.email.focus();
		return false;
	}
    var regx=/^(.* )?[<\[]?((?:(?:(?:[a-zA-Z0-9][\.\-\+_]?)*)[a-zA-Z0-9])+)\@(((?:(?:(?:[a-zA-Z0-9][\.\-_]?){0,62})[a-zA-Z0-9])+)\.([a-zA-Z0-9]{2,6}))[>\]]?$/;
	if (!regx.test(form.email.value)) {
		alert("Enter a valid email address");
		form.email.focus();
		return false;
	}	
	if (!form.phone.value || form.phone.value.length<10 || form.phone.value.length>16) {
		alert("Enter a valid Phone Number: digits, dashes, periods");
		form.phone.focus();
		return false;
	}
	var regx=/^(\([2-9]|[2-9])(\d{2}|\d{2}\))(-|.|\s)?\d{3}(-|.|\s)?\d{4}$/;
	if (!regx.test(form.phone.value)) {
		alert("Please enter a valid Phone Number: 10-digits, dashes, periods");
		form.phone.focus();
		return false;
	}
	return true;
}

function validateGuestRegistration(form){
	if (!form.firstname.value || form.firstname.value.length<3){
		alert("Enter the First Name field");
		form.firstname.focus();
		return false;
	}
	if (!form.email.value || form.email.value.length<5){
		alert("Please enter a valid Email Address");
		form.email.focus();
		return false;
	}
    var regx=/^(.* )?[<\[]?((?:(?:(?:[a-zA-Z0-9][\.\-\+_]?)*)[a-zA-Z0-9])+)\@(((?:(?:(?:[a-zA-Z0-9][\.\-_]?){0,62})[a-zA-Z0-9])+)\.([a-zA-Z0-9]{2,6}))[>\]]?$/;
	if (!regx.test(form.email.value)){
		alert("Enter a valid email address");
		form.email.focus();
		return false;
	}	
	return true;
}