function formCheck(theForm) {

	if (theForm.name.value == "") {
		alert('Please provide your name');
		theForm.name.focus();
		return false;
	}
	
		if (document.layers||document.getElementById||document.all) {
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (!filter.test(theForm.email.value)) {
			alert('Please enter a valid email address');
			theForm.email.focus();
			return false;
		}
		else {
				if(theForm.email.value == "") {
					alert('Please enter a valid email address');
					theForm.email.focus();
					return false;
			}
		}
		
	if (theForm.tel.value == "") {
		alert('Please provide your telephone number');
		theForm.tel.focus();
		return false;
	}
	
	if (theForm.enquiry.value == "") {
		alert('Please specify the nature of your enquiry');
		theForm.enquiry.focus();
		return false;
	}
}

return true;
}