startList = function() {
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        this.className+=" over";
      }
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        this.className=this.className.replace(" over", "");
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}
}
window.onload=startList;

document.addEvent('domready', function(){

  var links = $$('a');
  
  links.each(function(link){
    if (link.href.indexOf('pdf') != -1)
    {
      link.addEvent('click', function(){
        window.open(link.href);
        return false;
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});