function changeimg(img,image,a)
  {
	var img1 = new Image();
	img1.src = img;
	
	var image1 = new Image();
	image1.src = image;	
	
	var getHeight = img1.height;
	var getWidth = img1.width;	
	
	if (a==1)
	{
	document.getElementById("autoimg").src=img1.src;
	}
	if (a==2){
	var img2 = new Image();
	img2.src=document.getElementById("autoimg1").src;
	var hiddenwidth=img2.width;
	
	document.getElementById("autoimg").src=img2.src;	
	}
	if (a==3){
    document.getElementById("autoimg").src=img1.src;
	document.getElementById("autoimg1").src=img1.src;
	document.getElementById("lense").href=image1.src;
	document.getElementById("zoomlense").href=image1.src;
    document.getElementById("lense1").href=image1.src;	
	}		
  }