function changePhoto(which){
document.images.viewer.src = "images/"+which+".jpg"
}

function applyeffect(){
if (document.all){
viewer.filters.revealTrans.Transition=Math.floor(Math.random()*23)
viewer.filters.revealTrans.stop()
viewer.filters.revealTrans.apply()
}
}

function playeffect(){
if (document.all)
viewer.filters.revealTrans.play()
}


function initSlide(){
currentImg = 1;
nextImg = currentImg + 1;
prevImg = imgNum;
}
function testCurrent(){

  if(currentImg == 1){    

    prevImg = imgCntr;
    nextImg = 2;
    currentImg = 1;
  }
  else if(currentImg == imgCntr){
  nextImg = 1;
  prevImg = eval(imgCntr) - 1;
  currentImg = imgCntr;
  }
}

function preV(){
if(currentImg == 1){
  nextImg = eval(currentImg) + 1;
  prevImg = imgCntr;
  currentImg = imgCntr+1;
}else{
  nextImg = eval(currentImg) + 1;
  prevImg = eval(currentImg) - 1;
}
applyeffect();
document.images.viewer.src = fileSrc+photoLoc+prevImg+fileExt;
playeffect();
prevImg = eval(currentImg) - 1;
currentImg = prevImg;
}

function nexT(){
if(currentImg == imgCntr){
  nextImg = 1;
  prevImg = imgCntr - 1;
  currentImg = 1;
}else{
  nextImg = eval(currentImg) + 1;
  prevImg = eval(currentImg) - 1;
}
applyeffect();
document.images.viewer.src = fileSrc+photoLoc+nextImg+fileExt;
playeffect();

nextImg = eval(currentImg)+1;
currentImg = nextImg;
}

function changePhoto(which){
applyeffect();
document.images.viewer.src = fileSrc+photoLoc+which+fileExt;
playeffect();
currentImg = which;

if(which == imgCntr){
nextImg = 1;
prevImg = eval(which) - 1;
}
else if(which == 1){
nextImg = eval(which) + 1;
prevImg = imgCntr;
}
else
{
nextImg = eval(which) + 1;
prevImg = eval(which) - 1;
}
}

function openwindow(address)
{
 window.open(address,'viewer',"location=no,top=200,left=200,status=no,scrollbars=no,resizable=no,width=400,height=300")
 top.window.viewer.focus();
}