function tocItem (name, width, height)
	{
	this.on = new Image();
	this.on.src = '/newsite/images/' + name + 'on.gif'
	this.off = new Image();
	this.off.src = '/newsite/images/' + name + 'off.gif'
	}

function toc_new (name)
	{
	tocItem[name] = new tocItem(name);
	}

function img_act (imgName)
	{
	if (document.images) document[imgName].src = tocItem[imgName].on.src;
	}

function img_inact (imgName)
	{
	if (document.images) document [imgName].src = tocItem[imgName].off.src;
	}

function load_toc (name, num)
	{
	for (i = 1; i <= num; i++) toc_new(name + i);
	}

if (document.images != null) load_toc ('toc', 11);