function CheckDate(Field, Message) {
	 //DateFormat == dd-mm-yyyy
	 var DateFormat = new RegExp("^[0-9]{1,2}(\-)[0-9]{1,2}(\-)[0-9]{4}$", "g");

	 if(!Field.value.match(DateFormat)) {
    alert(Message);
    Field.focus();
    return false;
  }
  return true;
}

function setFieldValue(Field, ValueDefault) {
	if(Field.value.length == 0) {
		Field.value = ValueDefault;
		Field.style.color = "#ccc";
	} else {
		if(Field.value == ValueDefault) {
			Field.value = "";
			Field.style.color = "";
		}
	}	
}