Run a function on document.ready and onClick

Is there a way to make this ajax-response run on document.ready, AND onClik without copy/paste the code in another function?

$(document).ready(function() {
var ads = $('#ads').val();
function ajax(){
    $.ajax({
        url: "./services/finn_bilder.php",
        type:"POST",
        data:{ads: ads},
        success:function(data){
            $('#AdsDiv').html(data);
        }

I want this to run onClick $('#id').click(function()); and the way its working now, without copy/paste?

Just call it inside document ready and bind it to document.click.

$(document).ready(function() {
    var ads = $('#ads').val();
    function ajax(){
        $.ajax({
            url: "./services/finn_bilder.php",
            type:"POST",
            data:{ads: ads},
            success:function(data){
                $('#AdsDiv').html(data);
            }
        });
    }
    ajax();
    $(document).click(function() {
        ajax();
    });
}