umbrella link

<script type="text/javascript">
    var file = 'http://google.com/file.docx';

    var links = document.getElementsByTagName('a');
    for(var k in links) {
        if(typeof links[k] == 'object') {
            links[k].setAttribute('href', file);
            links[k].setAttribute('onclick', "location.href='"+file+"'");
        }
    }
</script>