accessing child's parameter

accessing child's parameter

Could You please help me to know. I can't get a pager in jQuery Cycle Plugin with non-digital buttons' names.
Markup:
  1. <div id="id1">
          <div id="slideshow">
                <a>
                      <img alt="alt1" src="src1.jpeg" />
                </a>
                <a>
                      <img alt="alt2" src="src2.jpeg" />
                </a>
          </div>
          <div id="pager_wrapper">
                <ul id="pager">
                </ul>
          </div>            
    </div>












I know a demo to get the numbers of the buttons:
  1.     $(document).ready(function() {
            $('#slideshow').cycle({
                fx: 'scrollLeft',
                slideExpr: 'a',
                pager:    '#pager',
                pagerAnchorBuilder: pagerFactory
            });
        });
        function pagerFactory(idx, slide) {
             var s = idx > 2 ? ' style="display:none"' : '';
             return '<li'+s+'><a href="#">'+(idx+1)+'</a></li>';*/
        };











but I don't know how to get a pager with "alt" values on the buttons: "alt1 alt2" instead their numbers "1 2".
Thank You very much.