function checkForm(formObj) {

	var regexp = /^[\w\.\-]+@([\w\-]+\.)+[a-zA-Z]+$/;
	var numbers_only = /[^0-9]/g;

	toValidateMail = formObj.epos;
	toValidateNumber = formObj.numberofpeople;



		if (formObj.myname.value == "") {
			alert('Please fill in your full name.');
			formObj.myname.focus();
			return false;
		}

		if (formObj.epos.value == "") {
			alert('Please fill in your email address.');
			formObj.epos.focus();
			return false;
		}

		if (!toValidateMail.value.match(regexp)) {
			alert('Please fill in a valid email address.');
			formObj.epos.focus();
			return false;
		}

		if (formObj.numberofpeople.value == "") {
			alert('Please fill in the number of people you wish to book for - digits only.');
			formObj.numberofpeople.focus();
			return false;
		}

		if (toValidateNumber.value.match(numbers_only)) {
			alert('Please only enter digits (characters 0-9) when filling in the number of people you wish to book for.');
			formObj.numberofpeople.focus();
			return false;
		}
		return true;
	}