title: Need to implement array in xslt
body: <p>I want to implement array like structure.The prototype of my need is</p>
  
  <pre><code>&lt;xsl:variable name="alphabets"&gt;abcdefghijklmnopqrstuvwxyz&lt;/xsl:variable&gt;
  </code></pre>
  
  <p>When i give input as 4, i should get 'd'. 
  How to implement this..please help me..
  Thanks in advance</p>