if (document.images)
   {

     pic1on= new Image(230,25);
     pic1on.src="pic/menua01.png";  
     pic1off= new Image(230,25);
     pic1off.src="pic/menu01.png";

     pic2on= new Image(230,25);
     pic2on.src="pic/menua02.png";  
     pic2off= new Image(230,25);
     pic2off.src="pic/menu02.png";

     pic3on= new Image(230,25);
     pic3on.src="pic/menua03.png";  
     pic3off= new Image(230,25);
     pic3off.src="pic/menu03.png";

     pic4on= new Image(230,25);
     pic4on.src="pic/menua04.png";  
     pic4off= new Image(230,25);
     pic4off.src="pic/menu04.png";

     pic5on= new Image(230,25);
     pic5on.src="pic/menua05.png";  
     pic5off= new Image(230,25);
     pic5off.src="pic/menu05.png";

	 pic6on= new Image(230,25);
     pic6on.src="pic/menua06.png";  
     pic6off= new Image(230,25);
     pic6off.src="pic/menu06.png";

     pic7on= new Image(230,25);
     pic7on.src="pic/menua07.png";  
     pic7off= new Image(230,25);
     pic7off.src="pic/menu07.png";
	 
	 pic8on= new Image(230,25);
     pic8on.src="pic/menua08.png";  
     pic8off= new Image(230,25);
     pic8off.src="pic/menu08.png";
	 
	 pic9on= new Image(230,50);
     pic9on.src="pic/menua09.png";  
     pic9off= new Image(230,50);
     pic9off.src="pic/menu09.png";
	 
	 pic10on= new Image(230,25);
     pic10on.src="pic/menua10.png";  
     pic10off= new Image(230,25);
     pic10off.src="pic/menu10.png";
	 
	 pic11on= new Image(230,25);
     pic11on.src="pic/menua11.png";  
     pic11off= new Image(230,25);
     pic11off.src="pic/menu11.png";
	 
	 pic12on= new Image(230,25);
     pic12on.src="pic/menua12.png";  
     pic12off= new Image(230,25);
     pic12off.src="pic/menu12.png";
	 
	 pic13on= new Image(230,25);
     pic13on.src="pic/menua13.png";  
     pic13off= new Image(230,25);
     pic13off.src="pic/menu13.png";
	 
	 pic14on= new Image(230,25);
     pic14on.src="pic/menua14.png";  
     pic14off= new Image(230,25);
     pic14off.src="pic/menu14.png";
	 
	 pic15on= new Image(230,25);
     pic15on.src="pic/menua15.png";  
     pic15off= new Image(230,25);
     pic15off.src="pic/menu15.png";
	 
	 pic16on= new Image(230,25);
     pic16on.src="pic/menua16.png";  
     pic16off= new Image(230,25);
     pic16off.src="pic/menu16.png";
	 
	 pic17on= new Image(230,25);
     pic17on.src="pic/menua17.png";  
     pic17off= new Image(230,25);
     pic17off.src="pic/menu17.png";
	 
	 pic18on= new Image(230,25);
     pic18on.src="pic/menua18.png";  
     pic18off= new Image(230,25);
     pic18off.src="pic/menu18.png";
	 
	 pic19on= new Image(230,25);
     pic19on.src="pic/menua19.png";  
     pic19off= new Image(230,25);
     pic19off.src="pic/menu19.png";
	
	 pic20on= new Image(230,25);
     pic20on.src="pic/menua20.png";  
     pic20off= new Image(230,25);
     pic20off.src="pic/menu20.png";
	 
	 pic21on= new Image(230,25);
     pic21on.src="pic/menua21.png";  
     pic21off= new Image(230,25);
     pic21off.src="pic/menu21.png";
	 
	 pic22on= new Image(230,25);
     pic22on.src="pic/menua22.png";  
     pic22off= new Image(230,25);
     pic22off.src="pic/menu22.png";
	 
	 pic23on= new Image(230,38);
     pic23on.src="pic/menua23.png";  
     pic23off= new Image(230,38);
     pic23off.src="pic/menu23.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;
    }
 }