https://defesacivil.blumenau.sc.gov.br/static/google/google.js

1function pesquisarGoogle(campo) {
2    var texto = document.getElementById(campo).value.trim();
3
4    if (!texto) {
5        document.getElementById(campo).focus();
6        return;
7    }
8
9    window.location.href =
10        URL_PESQUISA_GOOGLE +
11        "#gsc.tab=0&gsc.q=" +
12        encodeURIComponent(texto) +
13        "&gsc.sort=&gsc.page=1";
14}
15
16function initEventosGoogle() {
17    let campos = ['pesquisa', 'pesquisa2'];
18    let botoes = ['btnPesquisar', 'btnPesquisar2'];
19
20    for (let i = 0; i < campos.length; i++) {
21
22        document.getElementById(botoes[i]).onclick = pesquisarGoogle;
23
24        document.getElementById(campos[i]).addEventListener("keydown", function(e) {
25            if (e.key === "Enter" || e.keyCode === 13) {
26                e.preventDefault();
27                pesquisarGoogle(campos[i]);
28            }
29        });
30
31    }
32}
33
34initEventosGoogle();