anchor.diff:  
   					<!-- Add button -->
   					<div style="margin-top: 10px;">
  -						<button class="btn-sm btn-primary" id="add_pic_btn" type="button"
  -							onclick="addImage2Canvas()">Add Selected Image</button>
  +						<button class="btn-sm btn-primary" id="add_pic_btn" type="button" onclick="addImage2Canvas()">Add Selected Image</button>
   					</div>
   				</div>
   
  
positive.code: <%@ page language="java" contentType="text/html; charset=UTF-8"
  	pageEncoding="UTF-8"%>
  <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  <html>
  
negative.code: 					<h4>Select Pictures from Album</h4>
  
  					<div class="form-group">
  						<label for="name">Album</label>
  						<select class="form-control" name="Select_album_name" onchange="queryImageInAlbum()" id="select_album_name">
  							<c:forEach var="album_name" items="${Album_List}">
  								<option>${album_name }</option>
  							</c:forEach>
  