用js控制div显示的问题!
<!DOCTYPE   html   PUBLIC    "-//W3C//DTD   XHTML   1.0   Transitional//EN "    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  
  <html   xmlns= "http://www.w3.org/1999/xhtml ">  
  <head>  
 	 <link   href= "styles/aqua.css "   rel= "stylesheet "   type= "text/css ">  
 	 <link   rel= "stylesheet "   type= "text/css "   href= "styles/my.css "   />  
 	 <script   type= "text/javascript "   src= "scripts/prototype-1.4.0.js ">  </script>  
 	 <script   type= "text/javascript "   src= "scripts/my.js ">  </script>  
  </head>    
  <body>  
  <p>  Mailing   Address: </p>  
  <br   />  
  <input   type= "button "   value= "go "   name= "go "   id= "go "   onclick= "go(); "   />  <br   />  
  <div   id= "openDiv "   class= "aepi ">  
  <table   id= "openDivTable "   width= "450 "   border= "0 "   height= "500 ">  
              <tr>  
                    <td   width= "220 "   height= "64 "   align= "center "   valign= "middle "> Select   one   option   below:    </td>  
                    <td   width= "220 ">  <form   name= "form1 "   method= "post "   action= " ">  
                          <p>  
                                <input   name= "button "   type= "button "   id= "buttonCancel "   width= "30 "   value= "Cancel "   onClick= "cancel(); ">     
                                <input   name= "button "   type= "button "   id= "buttonSave "   width= "30 "   value= "Save "   onClick= "saveCorrectionPage(); ">  
                          </p>  
                          </form>                    </td>  
              </tr>  
              <tr>  
                    <td   colspan= "2 "   height= "30 ">  
 	          <form   name= "form2 "   method= "post "   action= " ">  
                          <p>  
                          <input   type= "radio "   name= "radiobutton "   value= "radiobutton ">  
                   Delete   activities   including   and   after             </p>  
                    <p   id= "activtiesDetail ">    <span   class= "STYLE18 "> 08-11-2007   07:30:00   Change   Appearance   MARK </span&g