// Suppress error messages for the rollover script

  function noErrorMessages() {
     return true;
  }
  window.onerror = noErrorMessages;


// Preload images for the Listings rollovers

   function preLoad2() {

     if (document.images)  {
        button1a=new Image();     button1b=new Image();
        button2a=new Image();     button2b=new Image();
        button3a=new Image();     button3b=new Image();
        button4a=new Image();     button4b=new Image();

        button1a.src="images/nav/contact_off.jpg";  button1b.src="images/nav/contact_on.jpg";
        button2a.src="images/nav/back_off.jpg";     button2b.src="images/nav/back_on.jpg";
        button3a.src="images/nav/next_off.jpg";     button3b.src="images/nav/next_on.jpg";
        button4a.src="images/nav/return_off.jpg";   button4b.src="images/nav/return_on.jpg";
     }
     loaded2 = true;
}


function rollOn(btnName) {
    if  (document.images && loaded2) {
        document.images[btnName].src =  eval(btnName + "b.src");
    }
    return false;
}


function rollOff(btnName) {
    if  (document.images && loaded2)  {
        document.images[btnName].src =  eval(btnName + "a.src");
    }
    return false;
}