function showPhone(obj) {
    if (obj.options[obj.selectedIndex].value != 0) {
        elBody = document.getElementsByTagName('body');
        if( (jsel = document.getElementById('jspart') ) ) {
          jselParent = jsel.parentNode;
          jselParent.removeChild(jsel);
        }
        jsel = document.createElement('script');
        jsel.id = 'jspart';
        jsel.type = 'text/javascript';
        jsel.src = '/_js/getHelpMobile.php?id=' + obj.options[obj.selectedIndex].value + '&type=' + obj.id;
        elBody[0].appendChild(jsel);
        switch (obj.id) {
            case 'internetProducer':
                document.getElementById('internet_2').style.display = 'block';
                break;
            case 'btProducer':
                document.getElementById('bt_2').style.display = 'block';
                break;
            case 'howtoProducer':
                document.getElementById('howto_2').style.display = 'block';
                break;
        }
    } else {
        document.getElementById('internet_2').style.display = 'none';
        document.getElementById('internet_3').style.display = 'none';

        document.getElementById('bt_2').style.display = 'none';
        document.getElementById('bt_3').style.display = 'none';

        document.getElementById('howto_2').style.display = 'none';
        document.getElementById('howto_3').style.display = 'none';
    }
}

function showInformation(obj) {
    if (obj.selectedIndex != 0) {
        elBody = document.getElementsByTagName('body');
        if( (jsel = document.getElementById('jspart') ) ) {
          jselParent = jsel.parentNode;
          jselParent.removeChild(jsel);
        }
        jsel = document.createElement('script');
        jsel.id = 'jspart';
        jsel.type = 'text/javascript';
        jsel.src = '/_js/getHelpInformation.php?id=' + obj.options[obj.selectedIndex].value + '&type=' + obj.id;
        elBody[0].appendChild(jsel);
        switch (obj.id) {
            case 'internetMobile':
                document.getElementById('internet_3').style.display = 'block';
                break;
            case 'btMobile':
                document.getElementById('bt_3').style.display = 'block';
                break;
            case 'howtoMobile':
                document.getElementById('howto_3').style.display = 'block';
                break;
        }
    } else {
        document.getElementById('internet_3').style.display = 'none';
        document.getElementById('bt_3').style.display = 'none';
        document.getElementById('howto_3').style.display = 'none';
    }
}

function buildOptions(obj, table) {
  obj.length = 0;
  var iCounter = 0;
  for( i in table) {
    if(table[i].length) {
      obj.options[iCounter++] = new Option(table[i], i);
    }
  }

}

function helpInternet() {
    if (document.getElementById('internet_1').style.display == 'block') {
        document.getElementById('internet_1').style.display = 'none';
        document.getElementById('internet_2').style.display = 'none';
        document.getElementById('internet_3').style.display = 'none';
        document.getElementById('internetProducer').selectedIndex = 0;
    } else {
        document.getElementById('internet_1').style.display = 'block';
    }
}

function helpBt() {
    if (document.getElementById('bt_1').style.display == 'block') {
        document.getElementById('bt_1').style.display = 'none';
        document.getElementById('bt_2').style.display = 'none';
        document.getElementById('bt_3').style.display = 'none';
        document.getElementById('btProducer').selectedIndex = 0;
    } else {
        document.getElementById('bt_1').style.display = 'block';
    }
}

function helpHowto() {
    if (document.getElementById('howto_1').style.display == 'block') {
        document.getElementById('howto_1').style.display = 'none';
        document.getElementById('howto_2').style.display = 'none';
        document.getElementById('howto_3').style.display = 'none';
        document.getElementById('howtoProducer').selectedIndex = 0;
    } else {
        document.getElementById('howto_1').style.display = 'block';
    }
}

function helpSendActivationMail() {
    if (document.getElementById('sendMailWithCode').style.display == 'block') {
        document.getElementById('sendMailWithCode').style.display = 'none';
    } else {
        document.getElementById('sendMailWithCode').style.display = 'block';
    }
}