// List image names without extension
var myImg= new Array(13)
  myImg[0]= "indexGallery_1L";
  myImg[1]= "indexGallery_2L";
  myImg[2]= "indexGallery_3L";
  myImg[3]= "indexGallery_4L";
  myImg[4]= "indexGallery_5L";
  myImg[5]= "indexGallery_6L";
  myImg[6]= "indexGallery_7L";
  myImg[7]= "indexGallery_8L";
  myImg[8]= "indexGallery_9L";
  myImg[9]= "indexGallery_10L";
  myImg[10]= "indexGallery_11L";
  myImg[11]= "indexGallery_12L";
  myImg[12]= "indexGallery_13L";
  myImg[13]= "indexGallery_14L";

// Tell browser where to find the image
myImgSrc = "./gallery/index/";

// Tell browser the type of file
myImgEnd = ".jpg"

var pi = 0;

// Create function to load image
function loadImg(){
  document.imgSrc.src = myImgSrc + myImg[pi] + myImgEnd;
}

// Create Function to Load Image From Thumbnail
function loadThumb (thumbNum){
	pi = thumbNum;
	document.imgSrc.src = myImgSrc + myImg[thumbNum] + myImgEnd;
}

// Create link function to switch image backward
function prev(){
  if(pi<1){
    var ld = pi;
  } else {
    var ld = pi-=1;
  }
  document.imgSrc.src = myImgSrc + myImg[ld] + myImgEnd;
}

// Create link function to switch image forward
function next(){
  if(pi>12){
    var ld = pi;
  } else {
    var ld = pi+=1;
  }
  document.imgSrc.src = myImgSrc + myImg[ld] + myImgEnd;
}

// Load function after page loads
window.onload=loadImg;