1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

  2. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

  3. <html> 

  4. <head> 

  5. <script type="text/javascript"> 

  6. function show_tools() {

  7. 	document.getElementById('tools').style.display = '';

  8. }

  9. </script> 

  10. </head> 

  11. <body> 

  12. <div id="tools" style="padding:10px;font-size:16px; position:absolute; top:0.5em; left:0.5em;background-color:#AAAAAA;border:solid;display:none"> 

  13. 	<center> 

  14. 		Hello!!!

  15. 	</center> 

  16. </div> 

  17. <a href='javascript:show_tools()'>Tools</a> 

  18. </body> 

  19. </html>