function zoom(pictureid) {
	
	var zoomcontainer = document.getElementById("zoomcontainer");
	
	var imagetozoom = document.getElementById(pictureid);
	var imagesrc = imagetozoom.src;
	imagesrc = imagesrc.replace("_thumb",""); 
	
	var tmpimage = new Image();
	tmpimage.src = imagesrc;

	var primaryphoto = document.getElementById("primaryphoto");
	primaryphoto.src = tmpimage.src;
}

function unzoom() {
	
	var primaryphotosrc = document.getElementById("primaryphotolocation").value;
	var primaryphoto = document.getElementById("primaryphoto");
	primaryphoto.src = primaryphotosrc;
	
}