if (document.images) {
  //menu
  var homeOFF = new Image(); homeOFF.src="images/buttons/home.jpg";
  var homeON = new Image(); homeON.src="images/buttons/home_roll.jpg";
  var profilesOFF = new Image(); profilesOFF.src="images/buttons/profiles.jpg";
  var profilesON = new Image(); profilesON.src="images/buttons/profiles_roll.jpg";

  var eventsOFF = new Image(); eventsOFF.src="images/buttons/events.jpg";
  var eventsON = new Image(); eventsON.src="images/buttons/events_roll.jpg";
  var faqOFF = new Image(); faqOFF.src="images/buttons/faqs.jpg";
  var faqON = new Image(); faqON.src="images/buttons/faqs_roll.jpg";

  var linkOFF = new Image(); linkOFF.src="images/buttons/link.jpg";
  var linkON = new Image(); linkON.src="images/buttons/links_roll.jpg";
  var contactOFF = new Image(); contactOFF.src="images/buttons/contact.jpg";
  var contactON = new Image(); contactON.src="images/buttons/contact_roll.jpg"; 

  var btnprevOFF = new Image(); btnprevOFF.src = "images/buttons/prev2.jpg";
  var btnprevON = new Image(); btnprevON.src = "images/buttons/prev2_roll.jpg";
  var btnnextOFF = new Image(); btnnextOFF.src = "images/buttons/next2.jpg";
  var btnnextON = new Image(); btnnextON.src = "images/buttons/next2_roll.jpg";

  var btnfaqOFF = new Image(); btnfaqOFF.src = "images/buttons/faq2.jpg";
  var btnfaqON = new Image(); btnfaqON.src = "images/buttons/faq2_roll.jpg";
  var trainingOFF = new Image(); trainingOFF.src = "images/buttons/trainbtn.jpg";
  var trainingON = new Image(); trainingON.src = "images/buttons/trainbtn_roll.jpg";

  var btntrainOFF = new Image(); btntrainOFF.src = "images/buttons/training2.jpg";
  var btntrainON = new Image(); btntrainON.src = "images/buttons/training2_roll.jpg";


}


function act(imgName) {
 if (document.images) 
  document[imgName].src = eval(imgName + 'ON.src')
}

function inact(imgName) {
 if (document.images)
  document[imgName].src = eval(imgName + 'OFF.src')
}