Add Translation icon to edit page

gistfile1.js

var elems = document.getElementsByTagName('a'),
    i;
for (i in elems) {
    if ((" " + elems[i].parentNode.className + " ").indexOf(" views-field-edit-node ") > -1) {
        var url = elems[i].href;
        var re1 = '.*?';
        var re2 = '(node)';
        var re3 = '(\\/)';
        var re4 = '(\\d+)';
        var re5 = '(\\/)';
        var re6 = '(edit)';
        var p = new RegExp(re1 + re2 + re3 + re4 + re5 + re6, ["i"]);
        var m = p.exec(url);
        var id = m[3];

        var a = document.createElement('a');
        var img = document.createElement('img');
        img.src = 'http://alltechmulti.dev.ableengine.com/sites/all/modules/languageicons/flags/es.png';
        a.appendChild(img);
        a.href = 'http://es.alltechmulti.dev.ableengine.com/node/add/location?translation=' + id + '&target=es';
        a.target = "_blank";
        a.setAttribute('style', "float:right;");
        elems[i].insertBefore(a);
    }
}