if (document.images)
   {
     pic1on= new Image();
     pic1on.src="images/menu_welcome_on.jpg";
	 pic2on= new Image();
     pic2on.src="images/menu_news_on.jpg";
	 pic3on= new Image();
     pic3on.src="images/menu_area_on.jpg";
	 pic4on= new Image();
     pic4on.src="images/menu_chalet_on.jpg";
	 pic5on= new Image();
     pic5on.src="images/menu_apartments_on.jpg";
	 pic6on= new Image();
     pic6on.src="images/menu_summer_on.jpg";
	 pic7on= new Image();
     pic7on.src="images/menu_booking_on.jpg";
	 pic8on= new Image();
     pic8on.src="images/chalet1.jpg";
	 pic9on= new Image();
     pic9on.src="images/chalet2.jpg";
	 pic10on= new Image();
     pic10on.src="images/chalet3.jpg";
	 pic11on= new Image();
     pic11on.src="images/chalet4.jpg";
     
     pic1off= new Image();
     pic1off.src="images/menu_welcome_off.jpg";
	 pic2off= new Image();
     pic2off.src="images/menu_news_off.jpg";    
	 pic3off= new Image();
     pic3off.src="images/menu_area_off.jpg";    
	 pic4off= new Image();
     pic4off.src="images/menu_chalet_off.jpg";    
	 pic5off= new Image();
     pic5off.src="images/menu_apartments_off.jpg";    
	 pic6off= new Image();
     pic6off.src="images/menu_summer_off.jpg";    
	 pic7off= new Image();
     pic7off.src="images/menu_booking_off.jpg";    
   }

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

function lightup2(imgName2)
 {
   if (document.images)
    {
      imgOn=eval(imgName2 + "on.src");
      document["chalet"].src= imgOn;
    }
 }

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