if (document.images)
   {
     pic1on= new Image(150,30);
     pic1on.src="http://www.dwac.com/buttons/button_1d.png";  
     pic2on= new Image(150,30);
     pic2on.src="http://www.dwac.com/buttons/button_2d.png";       
     pic3on= new Image(150,30);
     pic3on.src="http://www.dwac.com/buttons/button_3d.png";       
     pic4on= new Image(150,30);
     pic4on.src="http://www.dwac.com/buttons/button_4d.png";            
     pic5on= new Image(150,30);
     pic5on.src="http://www.dwac.com/buttons/button_5d.png";       
     pic6on= new Image(150,30);
     pic6on.src="http://www.dwac.com/buttons/button_6d.png";            
     pic7on= new Image(150,30);
     pic7on.src="http://www.dwac.com/buttons/button_7d.png";                 
     pic8on= new Image(150,30);
     pic8on.src="http://www.dwac.com/buttons/button_8d.png";            
     picAon= new Image(150,30);
     picAon.src="http://www.dwac.com/buttons/button_Ad.png";            
     pic9on= new Image(150,30);
     pic9on.src="http://www.dwac.com/buttons/settings_d.png";                 

     pic1off= new Image(150,30);
     pic1off.src="http://www.dwac.com/buttons/button_1u.png";  
     pic2off= new Image(150,30);
     pic2off.src="http://www.dwac.com/buttons/button_2u.png";       
     pic3off= new Image(150,30);
     pic3off.src="http://www.dwac.com/buttons/button_3u.png";       
     pic4off= new Image(150,30);
     pic4off.src="http://www.dwac.com/buttons/button_4u.png";            
     pic5off= new Image(150,30);
     pic5off.src="http://www.dwac.com/buttons/button_5u.png";       
     pic6off= new Image(150,30);
     pic6off.src="http://www.dwac.com/buttons/button_6u.png";            
     pic7off= new Image(150,30);
     pic7off.src="http://www.dwac.com/buttons/button_7u.png";                 
     pic8off= new Image(150,30);
     pic8off.src="http://www.dwac.com/buttons/button_8u.png";  
     picAoff= new Image(150,30);
     picAoff.src="http://www.dwac.com/buttons/button_Au.png";  
     pic9off= new Image(150,30);
     pic9off.src="http://www.dwac.com/buttons/settings_u.png";       
   }

function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }