function checkForm(theForm){

	if (trim(document.enquiryform.enq_name.value) == "") {
		alert("You must enter your name");
		document.enquiryform.enq_name.focus();
		isSubmit = false;
		return false;
	}
	if (trim(document.enquiryform.enq_enquiry.value) == "") {
		alert("You must enter something about your enquiry");
		document.enquiryform.enq_enquiry.focus();
		isSubmit = false;
		return false;
	}
	if (trim(document.enquiryform.enq_telno.value) == "") {
		alert("You must enter a telephone number");
		document.enquiryform.enq_telno.focus();
		isSubmit = false;
		return false;
	}

	var thisForm = theForm;
	disableForm(thisForm);
	
	return true;
}