but1a = new Image();
		but1a.src= "l_etusivu_off.jpg";
		but1b = new Image();
		but1b.src= "l_etusivu_on.jpg";
		
		but2a = new Image();
		but2a.src= "l_koirani_off.jpg";
		but2b = new Image();
		but2b.src= "l_koirani_on.jpg";
		
		but3a = new Image();
		but3a.src= "l_valiot_off.jpg";
		but3b = new Image();
		but3b.src= "l_valiot_on.jpg";
		
		but4a = new Image();
		but4a.src= "l_uutisia_off.jpg";
		but4b = new Image();
		but4b.src= "l_uutisia_on.jpg";
		
		but5a = new Image();
		but5a.src= "l_pentuja_off.jpg";
		but5b = new Image();
		but5b.src= "l_pentuja_on.jpg";
		
		but6a = new Image();
		but6a.src= "l_pentueet_off.jpg";
		but6b = new Image();
		but6b.src= "l_pentueet_on.jpg";
				
		but7a = new Image();
		but7a.src= "l_muistoissa_off.jpg";
		but7b = new Image();
		but7b.src= "l_muistoissa_on.jpg";
				
		but8a = new Image();
		but8a.src= "l_kuvia_off.jpg";
		but8b = new Image();
		but8b.src= "l_kuvia_on.jpg";
				
		but9a = new Image();
		but9a.src= "l_linkkeja_off.jpg";
		but9b = new Image();
		but9b.src= "l_linkkeja_on.jpg";
				
		but10a = new Image();
		but10a.src= "l_vieraskirja_off.jpg";
		but10b = new Image();
		but10b.src= "l_vieraskirja_on.jpg";
				
		but11a = new Image();
		but11a.src= "l_sahkoposti_off.jpg";
		but11b = new Image();
		but11b.src= "l_sahkoposti_on.jpg";
				
		but12a = new Image();
		but12a.src= "l_webringit_off.jpg";
		but12b = new Image();
		but12b.src= "l_webringit_on.jpg";