function init_input(element)
{
	if (element.value == element.name) {
		element.value = '';
	}
}

function exit_input(element)
{
	if (element.value == '') {
		element.value = element.name;
	}
}

function set_focus(element) {
  var e = $(element);
  if (e) {
    e.focus();
  }
}