请教下一个问题
别人给我出了一个题   
  <html>        
  <head>        
  <title>  </title>        
  <SCRIPT   LANGUAGE= 'JavaScript '>        
 right_browser=true;       
 width   =   screen.width;       
 height   =   screen.height;       
  </SCRIPT>        
  </head>        
  <body>        
  <table   width= "100% "   border= "0 "   cellpadding= "0 "   cellspacing= "1 "   bgcolor= "#000000 ">        
  <tr>        
  <td   bgcolor= "#FFFFFF "> width </td>        
  <td   bgcolor= "#FFFFFF ">  </td>        
  </tr>        
  <tr>        
  <td   bgcolor= "#FFFFFF "> height </td>        
  </td>        
  </tr>        
  </table>        
  </body>        
  </html>                 
 求width   和   height值 
------解决方案-------------------- <html>    
  <head>    
  <title>  </title>    
  <SCRIPT LANGUAGE= 'JavaScript '>      
 right_browser=true;   
 width = screen.width;   
 height = screen.height;     
 	function show() 
 	{ 
     	right_browser=true;   
       alert( 'width = '  +screen.width+ '\n '+ 'height = '  +screen.height);         
 	} 
  </SCRIPT>    
  </head>    
  <body>    
  <table width= "100% " border= "0 " cellpadding= "0 " cellspacing= "1 " bgcolor= "#000000 ">    
  <tr>    
  <td bgcolor= "#FFFFFF ">  <a href= "# " onClick= "show() "> 显示 </a>  </script>  </td>      
  <td bgcolor= "#FFFFFF ">  </td>    
  </tr>    
  <tr>    
  <td bgcolor= "#FFFFFF "> height </td>    
  </td>    
  </tr>    
  </table>    
  </body>    
  </html>      
 显示出来就可以了