javadep

private String fetchContent(int gid) throws ElementNotFoundException, IOException {
    HtmlPage page;
    HtmlForm form;
    HtmlSelect select;

    this.client.getPage("http://www.formadep.fr/infolarochelle");
    page = this.client.getPage("http://www.formadep.fr/extretud/exte_edtgroupe.aspx");

    form = page.getFormByName("_ctl0");
    select = form.getSelectByName("dd1");
    select.setSelectedAttribute(select.getOptionByValue("" + gid), true);
    page = form.getInputByName("b1").click();

    return page.asText();
}