function preloadImages() {
  if (document.images) {

    aboutpaulon = new Image(); 
    aboutpaulon.src = "../images/aboutpaulbutton.gif";
    aboutpauloff = new Image(); 
    aboutpauloff.src = "../images/aboutpaulbutton2.gif"; 

    listingson = new Image(); 
    listingson.src = "../images/listingsbutton.gif";
    listingsoff = new Image(); 
    listingsoff.src = "../images/listingsbutton2.gif"; 

    relocationson = new Image(); 
    relocationson.src = "../images/relocationsbutton.gif";
    relocationsoff = new Image(); 
    relocationsoff.src = "../images/relocationsbutton2.gif"; 

    evaluationson = new Image(); 
    evaluationson.src = "../images/evaluationsbutton.gif";
    evaluationsoff = new Image(); 
    evaluationsoff.src = "../images/evaluationsbutton2.gif"; 

    newsletterson = new Image(); 
    newsletterson.src = "../images/newslettersbutton.gif";
    newslettersoff = new Image(); 
    newslettersoff.src = "../images/newslettersbutton2.gif"; 

    aroundcalgaryon = new Image(); 
    aroundcalgaryon.src = "../images/aroundcalgarybutton.gif";
    aroundcalgaryoff = new Image(); 
    aroundcalgaryoff.src = "../images/aroundcalgarybutton2.gif"; 

    communitieson = new Image(); 
    communitieson.src = "../images/communitiesbutton.gif";
    communitiesoff = new Image(); 
    communitiesoff.src = "../images/communitiesbutton2.gif"; 

    clientssayon = new Image(); 
    clientssayon.src = "../images/clientssaybutton.gif";
    clientssayoff = new Image(); 
    clientssayoff.src = "../images/clientssaybutton2.gif"; 

    seniorson = new Image(); 
    seniorson.src = "../images/seniorsbutton.gif";
    seniorsoff = new Image(); 
    seniorsoff.src = "../images/seniorsbutton2.gif"; 

    contactmeon = new Image(); 
    contactmeon.src = "../images/contactmebutton.gif";
    contactmeoff = new Image(); 
    contactmeoff.src = "../images/contactmebutton2.gif"; 

    homeon = new Image(); 
    homeon.src = "../images/homebutton.gif";
    homeoff = new Image(); 
    homeoff.src = "../images/homebutton2.gif"; 

    footeron = new Image(); 
    footeron.src = "../images/footerbutton.gif";
    footeroff = new Image(); 
    footeroff.src = "../images/footerbutton2.gif"; 

  }
}

function imgOn(imgName) {
  if (document.images) {
    document[imgName].src = "../images/" + imgName + "button2.gif";
  }
}

function imgOff(imgName) {
  if (document.images) {
    document[imgName].src = "../images/" + imgName + "button.gif";
  }
}