elokeszuletekon = new Image();
	elokeszuletekon.src = "/images/butt_elok2.jpg";
	elokeszuletekoff = new Image();
	elokeszuletekoff.src = "/images/butt_elok.jpg";
	
	fotokon = new Image();
	fotokon.src = "/images/butt_photo2.jpg";
	fotokoff = new Image();
	fotokoff.src = "/images/butt_photo.jpg";
	
	videokon = new Image();
	videokon.src = "/images/butt_video2.jpg";
	videokoff = new Image();
	videokoff.src = "/images/butt_video.jpg";
	
	szakertoon = new Image();
	szakertoon.src = "/images/butt_szakerto2.jpg";
	szakertooff = new Image();
	szakertooff.src = "/images/butt_szakerto.jpg";
	
	kirandulason = new Image();
	kirandulason.src = "/images/butt_kirandulas2.jpg";
	kirandulasoff = new Image();
	kirandulasoff.src = "/images/butt_kirandulas.jpg";
	
	oktatokon = new Image();
	oktatokon.src = "/images/butt_oktatok2.jpg";
	oktatokoff = new Image();
	oktatokoff.src = "/images/butt_oktatok.jpg";

function imgAct (imgName) {
   document[imgName].src = eval(imgName + "on.src");
}

function imgInact(imgName) {
   document[imgName].src = eval(imgName + "off.src");
}