var n1 = "false";
	image1       = new Image();
	image1.src   = "images/link1.gif";
	image1on     = new Image();
	image1on.src = "images/link1o.gif";

	var n1 = "false";
	image2       = new Image();
	image2.src   = "images/link2.gif";
	image2on     = new Image();
	image2on.src = "images/link2o.gif";
	
	var n1 = "false";
	image3       = new Image();
	image3.src   = "images/link3.gif";
	image3on     = new Image();
	image3on.src = "images/link3o.gif";

	var n1 = "false";
	image4       = new Image();
	image4.src   = "images/link4.gif";
	image4on     = new Image();
	image4on.src = "images/link4o.gif";
	
	var n1 = "false";
	image5       = new Image();
	image5.src   = "images/link5.gif";
	image5on     = new Image();
	image5on.src = "images/link5o.gif";

	
	var n1 = "false";
	image6       = new Image();
	image6.src   = "images/link6.gif";
	image6on     = new Image();
	image6on.src = "images/link6o.gif";

	
	var n1 = "false";
	image7       = new Image();
	image7.src   = "images/link7.gif";
	image7on     = new Image();
	image7on.src = "images/link7o.gif";

	
	var n1 = "false";
	image8       = new Image();
	image8.src   = "images/link8.gif";
	image8on     = new Image();
	image8on.src = "images/link8o.gif";


	
function on1(name)
	{
   		 document[name].src = eval(name + "on.src");
	}

	function off1(name)
	{
   		 document[name].src = eval(name + ".src");
	}

	n1 = true;
		function on(name)
	{
   		if (n1)
      		on1(name);
	}

		function off(name)
	{
   		if (n1)
      		off1(name);
}