// rollover code

 if (document.images) 
 {
  indexon=new Image();
  indexon.src="./img/index-on.gif";
  indexoff=new Image();
  indexoff.src="./img/index-off.gif";

  centeron=new Image();
  centeron.src="./img/center-on.gif";
  centeroff=new Image();
  centeroff.src="./img/center-off.gif";

  callon=new Image();
  callon.src="./img/call-on.gif";
  calloff=new Image();
  calloff.src="./img/call-off.gif"; 

  treatmenton=new Image();
  treatmenton.src="./img/treatment-on.gif";
  treatmentoff=new Image();
  treatmentoff.src="./img/treatment-off.gif"; 

  publicon=new Image();
  publicon.src="./img/public-on.gif";
  publicoff=new Image();
  publicoff.src="./img/public-off.gif"; 

  contactson=new Image();
  contactson.src="./img/contacts-on.gif";
  contactsoff=new Image();
  contactsoff.src="./img/contacts-off.gif"; 

  partnerson=new Image();
  partnerson.src="./img/partners-on.gif";
  partnersoff=new Image();
  partnersoff.src="./img/partners-off.gif";
  
 }


// Script for normal rollover (main Nav)
function imgOver(imgName) 
 {
  if (document.images) 
  {
   document[imgName].src = eval(imgName + "on.src");
  }
 }
 
function imgOut(imgName) 
 {
  if (document.images) 
  {
   document[imgName].src = eval(imgName + "off.src");
  }
 }
 
// Script for disjoint rollover (side-nav text & arrow, Site-wide Nav)
function textOver(imgName) 
 {
  if (document.images) 
  {
   document[imgName].src = eval(imgName + "on.src");
  }
 }
 
function textOut(imgName) 
 {
  if (document.images) 
  {
   document[imgName].src = eval(imgName + "off.src");
  }
 }