userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function findElement(n,ly) {
  if (browserVers < 4)    return document[n];
  var curDoc = ly ? ly.document : document;
  var elem = curDoc[n];
  if (!elem) {
    for (var i=0;i<curDoc.layers.length;i++) {
      elem = findElement(n,curDoc.layers[i]);
      if (elem) return elem;
    }
  }
  return elem;
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    var img;
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      img = null;
      if (document.layers) {
        img = findElement(changeImages.arguments[i],0);
      }
      else {
        img = document.images[changeImages.arguments[i]];
      }
      if (img) {
        img.src = changeImages.arguments[i+1];
      }
    }
  }
}

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    referral_over = newImage("images/btns/referral-over.gif");
    tribute_over = newImage("images/btns/tribute-over.gif");
    veterinarians_over = newImage("images/btns/veterinarians-over.gif");
    services_over = newImage("images/btns/services-over.gif");
    staff_over = newImage("images/btns/staff-over.gif");
    newsletter_over = newImage("images/btns/newsletter-over.gif");
    petcare_over = newImage("images/btns/petcare-over.gif");
    location_over = newImage("images/btns/location-over.gif");
    facility_over = newImage("images/btns/facility-over.gif");
    clients_over = newImage("images/btns/clients-over.gif");
    clientforms_over = newImage("images/btns/clientforms-over.gif");
    senior_over = newImage("images/btns/senior-over.gif");
    seminars_over = newImage("images/btns/seminars-over.gif");
    links_over = newImage("images/btns/links-over.gif");
    preloadFlag = true;
  }
}

var win=null;
function NewWindow(mypage,myname,w,h,pos,infocus){
if(pos=="random"){myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
else if((pos!='center' && pos!="random") || pos==null){myleft=0;mytop=20}
settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
win.focus();}