function validateForm(){
		message = '';
		error = 0;
		
		if (document.contact_form.first_name.value == '') { 
			message = 'First name is a required field\n'; 
			error = 1;
		}
		if (document.contact_form.last_name.value == '') { 
			message = message + 'Last name is a required field\n'; 
			error = 1;
		}
		if (document.contact_form.phone.value == '') { 
			message = message + 'Phone Number is a required field\n'; 
			error = 1;
		}
		if (document.contact_form.email.value == '') { 
			message = message + 'Email is a required field\n'; 
			error = 1;
		}


		if (error) {
			alert(message);
			return false;
		} else {
			return true;
		}
    }