cross-post.js

jQuery(document).ready(function($) {
    function domi(){
        alert('adding form click handler and logo');
        var d2 = document.createElement('img'); 
        d2.src = 'https://www.hin.ch/wp-content/uploads/2016/03/HIN_nur_logo_klein.png';
        d2.id = "hin_logo";
        d2.width=100;
        document.getElementsByTagName('hin_logo_div')[0].appendChild(d2);
        document.getElementById('hin_logo').onclick=function(){
            var field_name_value = document.getElementById('nf-field-17').value;
            alert('getting field value');
            alert(field_name_value);
        }
    }
    domi();
});