function checkForm(form)
{
	var reval = true
	var errortxt = ''
			
	if (form.vcName.value.length < 2) {
		errortxt+="Please enter your name.\n";
		reval = false;
	}
			
	if ((form.vcEmail.value.length < 5) && (form.vcTelephone.value.length < 5)) {
		errortxt+="If you want us to contact you, please enter an email address or a telephone number.\n";
		reval = false;
	}
	
	if (form.txtEnquiry.value.length < 5) {
		errortxt+="Please enter your enquiry.\n";
		reval = false;
	}
					
	if(!reval){alert(errortxt)}
	return reval;
}