browserName=navigator.appName; 
browserVer=parseInt(navigator.appVersion);

if ((browserName=="Netscape" && browserVer>=3) || (browserName=="Microsoft Internet Explorer" && browserVer>=4))    
	{
	version="n3";
	}
else
	{
	version="n2";
	}

if (version=="n3")
	{
	homeon= new Image(136,36);
	homeon.src="images/b_home_on.gif";  

	homeoff= new Image(136,36);
	homeoff.src="images/b_home_off.gif";

	homemessage= "Back to the Home Page";
	
	newson= new Image(136,36);
	newson.src="images/b_news_on.gif";  

	newsoff= new Image(136,36);
	newsoff.src="images/b_news_off.gif";

	newsmessage= "Our Latest News";
	
	producton= new Image(136,36);
	producton.src="images/b_product_on.gif";  

	productoff= new Image(136,36);
	productoff.src="images/b_product_off.gif";

	productmessage= "The Product";
	
	contacton= new Image(136,36);
	contacton.src="images/b_contact_on.gif";  

	contactoff= new Image(136,36);
	contactoff.src="images/b_contact_off.gif";

	contactmessage= "Contact Us";
    }

function activate(imgName)
	{
	imgOn=eval(imgName + "on.src");
	document[imgName].src= imgOn;
	imgMess=eval(imgName + "message");
	window.status=imgMess;
	}

function deactivate(imgName)
	{
	imgOff=eval(imgName + "off.src");
	document[imgName].src= imgOff;
	window.status="";
	}