function formvalidation(form) { 
	if (form.event.value == "") {
		alert("Please, enter the Event.");
		form.event.focus();
		return false;
	}
	if (form.name.value == "") {
		alert("Please, enter your Name.");
		form.name.focus();
		return false;
	}
	if (form.address.value == "") {
		alert("Please, enter an Address.");
		form.address.focus();
		return false;
	}
	if (form.city_state.value == "") {
		alert("Please, enter the City/State.");
		form.city_state.focus();
		return false;
	}
	if (form.zip.value == "") {
		alert("Please, enter the Zip Code.");
		form.zip.focus();
		return false;
	}
	if (form.phone.value == "") {
		alert("Please, enter your Phone.");
		form.phone.focus();
		return false;
	}
	if (form.email.value == "") {
		alert("Please, enter your Email.");
		form.email.focus();
		return false;
	}
	if (form.num_guests.value == "") {
		alert("Please, enter the Number of Attendees.");
		form.num_guests.focus();
		return false;
	}
	
	return true;
}