function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (typeof element == 'string')
    element = document.getElementById(element);
  return element;
}

function $F(element)
{
	if (arguments.length > 1) {
    for (var i = 0, ev = [], length = arguments.length; i < length; i++)
      ev.push($F(arguments[i]));
    return ev;
  }
  if (typeof element == 'string')
    element = $(element).value;
  return element;
}

function $Hide(element){
  if (arguments.length > 1) {
    for (var i = 0, length = arguments.length; i < length; i++)
      $Hide(arguments[i]);
    return;
  }
  if (typeof element == 'string')
    $(element).style.display="none";
  return;
}

function $Show(element){
  if (arguments.length > 1) {
    for (var i = 0, length = arguments.length; i < length; i++)
      $Show(arguments[i]);
    return;
  }
  if (typeof element == 'string')
     $(element).style.display="";
  return;
}

function ShowHide(s)
{
	if($(s).style.display=="")
	{$Hide(s);}
	else
	{$Show(s);}
}