1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
4 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
7 <meta http-equiv="content-type" content="text/html; charset=utf-8" />
8 <style type="text/css">
31 <div id="stackA"></div>
33 <div id="stackB"></div>