var previousUrl = "";
	
function swap(dir, src) {
	var pic = document.getElementById("picture");
	pic.src = "art/" + dir + "/" + src;
	
	return false;
}

/*function protect() {
	var pic = document.getElementById("picture");
	previousUrl = pic.src;
	pic.src = "images/select-image.png";
	
}
function unProtect() {
	var pic = document.getElementById("picture");
	pic.src = previousUrl;
}*/