// MouseOn 
 				homeon = new Image(78, 36);
				homeon.src = "images/n_home_on.gif";  
				menuon = new Image(114, 36);
				menuon.src = "images/n_menu_on.gif";
				contacton = new Image(131, 36);
				contacton.src = "images/n_contact_on.gif";

			// MouseOff
				homeoff = new Image(78, 36);
				homeoff.src = "images/n_home.gif";
				menuoff = new Image(114, 36);
				menuoff.src = "images/n_menu.gif";
				contactoff = new Image(131, 36);
				contactoff.src = "images/n_contact.gif";

				
				// image-swapping functions
function imgOn(imgName) {	
  if (document.getElementById) {
    document.getElementById(imgName).src = eval(imgName + "on.src");

  }
}

function imgOff(imgName) {
  if (document.getElementById) {
    document.getElementById(imgName).src = eval(imgName + "off.src");
  }
}
// swap images
function di(id,name)
{
  if (document.images)
    document.images[id].src=eval(name+".src");   
}

//toggles layer visibility on and off

function show(id) {
	document.getElementById(id).style.visibility = "visible";
	document.getElementById(id).style.zIndex = "200";

	//if (timer)
  //{
   // window.clearTimeout(timer);
   // timer = 0;
  //}
}
function hide(id) {
	document.getElementById(id).style.visibility ="hidden";
}