<!-- //
if (document.images) {

	homeon = new Image(); homeon.src = "/images/menu_home_over.gif";
	homeoff = new Image(); homeoff.src = "images/menu_home.gif";
	
	abouton = new Image(); abouton.src = "images/menu_about_over.gif";
	aboutoff = new Image(); aboutoff.src = "images/menu_about.gif";
	
	avoidon = new Image(); avoidon.src = "images/menu_avoid_over.gif";
	avoidoff = new Image(); avoidoff.src = "images/menu_avoid.gif";
	
	overviewon = new Image(); overviewon.src = "images/menu_overview_over.gif";
	overviewoff = new Image(); overviewoff.src = "images/menu_overview.gif";
	
	quoteon = new Image(); quoteon.src = "images/menu_quote_over.gif";
	quoteoff = new Image(); quoteoff.src = "images/menu_quote.gif";
		
	contacton = new Image(); contacton.src = "images/menu_contact_over.gif";
	contactoff = new Image(); contactoff.src = "images/menu_contact.gif";
	
	trackingon = new Image(); trackingon.src = "images/menu_overview_over.gif";
	trackingoff = new Image(); trackingoff.src = "images/menu_overview.gif";
	
	
}

function act(imgName){
  if (document.images)  document[imgName].src = eval(imgName + 'on.src')	
}

function inact(imgName) {
	if (document.images)  document[imgName].src = eval(imgName + 'off.src')
}