/**************************************
preload images for use in the mouseover
**************************************/

if( document.images ) { //check that changing images is supported
  var overImgHome = new Image(); overImgHome.src = "images/menu_home_on.png";
  var outImgHome = new Image(); outImgHome.src = "images/menu_home.png";
  var overImgAbout = new Image(); overImgAbout.src = "images/menu_aboutme_on.png";
  var outImgAbout = new Image(); outImgAbout.src = "images/menu_aboutme.png";
  var overImgCounselling = new Image(); overImgCounselling.src = "images/menu_counselling_on.png";
  var outImgCounselling = new Image(); outImgCounselling.src = "images/menu_counselling.png";
  var overImgSupervision = new Image(); overImgSupervision.src = "images/menu_supervision_on.png";
  var outImgSupervision = new Image(); outImgSupervision.src = "images/menu_supervision.png";
  var overImgTraining = new Image(); overImgTraining.src = "images/menu_training_on.png";
  var outImgTraining = new Image(); outImgTraining.src = "images/menu_training.png";
  var overImgContact = new Image(); overImgContact.src = "images/menu_contact_on.png";
  var outImgContact = new Image(); outImgContact.src = "images/menu_contact.png";
}