function formCheck() {

  if (document.contactform.Name.value == "") {
    alert("Please enter your name");
    document.contactform.Name.focus();
    return false;
  }

		if ((document.contactform.Phone.value == "") && (document.contactform.Email.value == '')){
			document.contactform.Phone.style.backgroundColor="pink";
			var warningText="Please enter either your telephone number or email address";
			alert(warningText);
			document.contactform.Phone.focus();
			return false;		
		}

		if (document.contactform.Email.value == '') {
		} else {
			if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.contactform.Email.value))) {
				document.contactform.Email.style.backgroundColor="pink";
				var warningText="Please enter a valid email";
				alert(warningText);
				document.contactform.Email.focus();
				return false;
			}else{
				document.contactform.Email.style.backgroundColor="";
			}
		}

  if (document.contactform.Message.value == "") {
    alert("Please enter a message");
    document.contactform.Message.focus();
    return false;
  }

	if (document.contactform.agreeTerms.checked != true) {
		var warningText="Have you read the points to consider page? If you already have and would like to proceed, please tick the box.";
		alert(warningText);
		document.contactform.agreeTerms.focus();
		return false;
	}

  document.contactform.submit();

  }