function showHide(vThis)
{
	vParent = vThis.parentNode;
	vSibling = vParent.nextSibling;
	while (vSibling.nodeType==3) {
    	vSibling = vSibling.nextSibling;
  	};

	if(vSibling.style.display == "none")
	{
		vThis.src="media/ftr01/divminus.gif";
		vThis.alt = "+";
		vSibling.style.display = "block";
	} else {
		vSibling.style.display = "none";
		vThis.src="media/ftr01/divplus.gif";
		vThis.alt = "-";
	}
	return;
}

function showHideNoChange(vThis)
{
	vParent = vThis.parentNode;
	vSibling = vParent.nextSibling;
	while (vSibling.nodeType==3) {
    	vSibling = vSibling.nextSibling;
  	};

	if(vSibling.style.display == "none")
	{
		vThis.alt = "+";
		vSibling.style.display = "block";
	} else {
		vSibling.style.display = "none";
		vThis.alt = "-";
	}
	return;
}
function showHide2(vThis)
{
	vParent = vThis.parentNode;
	vSibling = vParent.nextSibling;
	while (vSibling.nodeType==3) {
    	vSibling = vSibling.nextSibling;
  	};

	if(vSibling.style.display == "none")
	{
		vThis.src="media/board/btn_close.gif";
		vThis.alt = "+";
		vSibling.style.display = "block";
	} else {
		vSibling.style.display = "none";
		vThis.src="media/board/btn_open.gif";
		vThis.alt = "-";
	}
}