
<!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->

function-bits or short fct-bits are capsulated functions that can be used in the site.

A fct-bit contains following parts:
<contract name="{name-of-the-function}-fct" nc="{css-contract}" tlc="{topLevelContainer}">
  <description>
    This functions ...
  </description>
  <xhtml>
    <head>
      <script type="text/javascript" language="javascript" 
        src="{$root}skin/{script}.js"></script>
    </head>
    <body onload="init()">
      <script type="text/javascript">something();</script>
      <div id="{css-contract-name}">
            CONTENT
      </div>
    </body>
  </xhtml>
  <pdf/>
</contract>

@name = name of the function contract
@nc = name of the css-contract
@tlc = the top level container to which this function semanticly belongs
<xhtml/> = this code will be used in xhtml
<pdf/> = this code will be used in pdf
<head/> = if functions need to place code into the xhtml-head it has to go into this container
<body/> = if functions need to place code into the xhtml-body it has to go into this container
<script/> = the script, that has to be placed into 
<div> = the actual div that should be used in the code
