function imgSwap(targetId,toggleVal){
  imgObj = document.getElementById(targetId);

  if (toggleVal=='on'){
    imgObj.src = "templates/intervistainternet.com/images/"+targetId+"-on.gif";
  }
  else{
    imgObj.src = "templates/intervistainternet.com/images/"+targetId+"-off.gif";
  }
}

function toggleDropMenu(targetId,imgId){
  menuObj = document.getElementById(targetId);

  if(menuObj.style.visibility == 'hidden'){
    imgSwap(imgId,'on');
    menuObj.style.visibility = 'visible';
    menuObj.style.display    = 'inline';
  }
  else{
    imgSwap(imgId,'off');
    menuObj.style.visibility = 'hidden';
    menuObj.style.display    = 'none';}

}

function pause(millis){
  date = new Date();
  var curDate = null;

  do { var curDate = new Date(); }
  while(curDate-date < millis);
}