// PRELOAD IMAGES
  // low state	
  nv1lo = new Image();nv1lo.src = "img/nav/nv1lo.gif";		
  nv2lo = new Image();nv2lo.src = "img/nav/nv2lo.gif";		
  nv3lo = new Image();nv3lo.src = "img/nav/nv3lo.gif";		
  nv4lo = new Image();nv4lo.src = "img/nav/nv4lo.gif";
  nv5lo = new Image();nv5lo.src = "img/nav/nv5lo.gif";		
  nv6lo = new Image();nv6lo.src = "img/nav/nv6lo.gif";		
  nv7lo = new Image();nv7lo.src = "img/nav/nv7lo.gif";		
  // hi state
  nv1hi = new Image();nv1hi.src = "img/nav/nv1hi.gif";		
  nv2hi = new Image();nv2hi.src = "img/nav/nv2hi.gif";		
  nv3hi = new Image();nv3hi.src = "img/nav/nv3hi.gif";		
  nv4hi = new Image();nv4hi.src = "img/nav/nv4hi.gif";
  nv5hi = new Image();nv5hi.src = "img/nav/nv5hi.gif";		
  nv6hi = new Image();nv6hi.src = "img/nav/nv6hi.gif";		
  nv7hi = new Image();nv7hi.src = "img/nav/nv7hi.gif";		
// ACTIVATE IMAGES
function imgHi(imgName){document[imgName].src = eval(imgName + "hi.src");}
// DEACTIVATE IMAGES
function imgLo(imgName){document[imgName].src = eval(imgName + "lo.src");}
// POP UP WINDOW
function newWindow(loc, height, width) {
 var str=loc;

 loc='img/popup_' +str.substring(15,18)+ '.jpg';
 nameW='feature'
 xTop = screen.width/2 - (width/2);
 yTop = screen.height/2 - (height/2);
 window.open(loc, nameW, 'height='+height+',width='+width+',scrollbars=0,resizable=0,menubar=0,toolbar=0,status=0,location=0,directories=0,left=' + xTop + ',top=' + yTop + '');
}
function newWindow2(loc, height, width) {
 nameW='feature'
 xTop = screen.width/2 - (width/2);
 yTop = screen.height/2 - (height/2);
 window.open(loc, nameW, 'height='+height+',width='+width+',scrollbars=0,resizable=0,menubar=0,toolbar=0,status=0,location=0,directories=0,left=' + xTop + ',top=' + yTop + '');
}