if (document.images)
	{
	homeoff= new Image(150,24);
	homeoff.src="images/b_home.gif";

	homeon= new Image(150,24);
	homeon.src="images/b_home_on.gif";  

	homemessage= "Back to the home page";
	
	galleryoff= new Image(150,24);
	galleryoff.src="images/b_gallery.gif";

	galleryon= new Image(150,24);
	galleryon.src="images/b_gallery_on.gif";  

	gallerymessage= "Gallery";
	
	gallery2off= new Image(150,24);
	gallery2off.src="images/b_gallery2.gif";

	gallery2on= new Image(150,24);
	gallery2on.src="images/b_gallery2_on.gif";  

	gallery2message= "Gallery";
	
	linksoff= new Image(150,24);
	linksoff.src="images/b_links.gif";

	linkson= new Image(150,24);
	linkson.src="images/b_links_on.gif";  

	linksmessage= "Links";
	
	contactsoff= new Image(150,23);
	contactsoff.src="images/b_contacts.gif";

	contactson= new Image(150,23);
	contactson.src="images/b_contacts_on.gif";  

	contactsmessage= "Contacts";
    }

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

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