function ShowHide(ThisButton,ElemID)
{
	Elem = document.getElementById(ElemID);
	if (Elem.style.display != 'block')
	{
		ThisButton.style.backgroundImage = 'url(../../../../../images/icon_open.gif)';
		Elem.style.display = 'block';
	}
	else
	{
		ThisButton.style.backgroundImage = 'url(../../../../../images/icon_closed.gif)';
		Elem.style.display = 'none';
	}
}