function toggle(id){
  element = document.getElementById(id);
  if (element.style.display == 'block') {
    element.style.display = 'none';
  } else {
    element.style.display = 'block';
  }
}

function toggleCondition(id, value, value2){
  element = document.getElementById(id);
  if (value != value2) {
    element.style.display = 'none';
  } else {
    element.style.display = 'block';
  }
}

var i = 0;
function toggleField(oEvento, form_name) {
  tmp = false;
  
  if (oEvento.keyCode == 13) {
    tmp = true;
  } else if (oEvento.which == 13) {
    tmp = true;
  }

  if (tmp == true) {
    if (form_name.pass == focus) {
      form_name.submit();
    }
    else if (form_name.name.value != "" && i == 0) {
      form_name.pass.focus();
    i++;
    } else {
      form_name.submit();
    }
  }
}

function addRequired(obj)
{
	$(obj).append(' <span class="required">*</span>');
}

function removeRequired(obj)
{
	$(obj).remove();
}

function getRadioButtonSelectedValue(ctrl)
{
    for(i = 0; i < ctrl.length; ++i)
    {
        if (ctrl[i].checked)
        {
            return ctrl[i].value;
        }
    }
}