if (document.images)
{
	link1on= new Image(154,28);	link1on.src="images/b_home_b.jpg";		link1off= new Image(154,28);		link1off.src="images/b_home.jpg";
	link2on= new Image(154,28);	link2on.src="images/b_about_b.jpg";		link2off= new Image(154,28);		link2off.src="images/b_about.jpg";
	link3on= new Image(154,28);	link3on.src="images/b_services_b.jpg";		link3off= new Image(154,28);		link3off.src="images/b_services.jpg";
	link4on= new Image(154,28);	link4on.src="images/b_contact_b.jpg";		link4off= new Image(154,28);		link4off.src="images/b_contact.jpg";
	link5on= new Image(154,28);	link5on.src="images/b_clients_b.jpg";		link5off= new Image(154,28);		link5off.src="images/b_clients.jpg";
	link6on= new Image(154,28);	link6on.src="images/b_divisions_b.jpg";		link6off= new Image(154,28);		link6off.src="images/b_divisions.jpg";
	link7on= new Image(154,28);	link7on.src="images/b_contact_b.jpg";		link7off= new Image(154,28);		link7off.src="images/b_contact.jpg";
}

function turnon(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }