FIX Give DatetimeField its own template (which is extensible)

forms/DatetimeField.php

@@ -109,13 +109,7 @@ class DatetimeField extends FormField {
 	 */
 	public function Field($properties = array()) {
 		Requirements::css(FRAMEWORK_DIR . '/css/DatetimeField.css');
-
-		$tzField = ($this->getConfig('usertimezone')) ? $this->timezoneField->FieldHolder() : '';
-		return DBField::create_field('HTMLText', $this->dateField->FieldHolder() .
-			$this->timeField->FieldHolder() .
-			$tzField .
-			'<div class="clear"><!-- --></div>'
-		);
+		return parent::Field($properties);
 	}
 
 	/**

templates/forms/DatetimeField.ss

@@ -0,0 +1,6 @@
+$DateField.FieldHolder
+$TimeField.FieldHolder
+<% if $getConfig('usertimezone') %>
+	$TimezoneField.FieldHolder
+<% end_if %>
+<div class="clear"><!-- --></div>