Display datepicker on a link. Follow these steps:-
Add jquery files:
1) http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css
2) http://code.jquery.com/jquery-1.10.1.js
3) http://code.jquery.com/ui/1.10.3/jquery-ui.js

Add a jquery function:
 $(document).ready(function() {
    $("#dp").datepicker({
        onSelect: function(dateText, inst) {
            alert(dateText);
        },
        beforeShow: function (event, ui) {
            var $link = $("#datep");
            ui.dpDiv.offset({
                top: $link.offset().top + 10,
                left: $link.offset().left + 10
            });
        }
    });

$("#datep").click(function() {
    $("#dp").datepicker("show");
   // $( "#dp" ).datepicker( "option", "showAnim", "slide" );
});

});

And here is the HTML for this:-

• Test