// List image names without extension
var myImg= new Array(5)
  myImg[0]= "bw01";
  myImg[1]= "bw02";
  myImg[2]= "bw03";
  myImg[3]= "bw04";
  myImg[4]= "bw05";
  myImg[5]= "bw06";
  myImg[6]= "bw07";
		
		
// Tell browser where to find the image
myImgSrc = "/images/";

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

var i = 0;

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

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

// Create link function to switch image forward
function next(){
  if(i>5){
    var l = i
  } else {
    var l = i+=1;
  }
  document.imgSrc.src = myImgSrc + myImg[l] + myImgEnd;
}

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