function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}

function validateEnquiry() {
    var isFull = checkforblanks(document.form.Name.value, "your name", document.form.email.value, "a valid email address");
    if (!isFull) {
      return false;
    }
  }

  function checkforblanks() {
    var errormessage = new String();
    for (var i = 0; i < arguments.length; i += 2) {
      if ((!arguments[i]) || (arguments[i] == "your@email.com")) {
        alert("Please enter " + arguments[i+1] + ".");
        return false;
      }
    }
		  
    return true;
  }