if (document.images) {

	var foreta = new Image();
	foreta.src = "img/foret_a.gif";

	var foretb = new Image();
	foretb.src = "img/foret_b.gif";

	var kunda = new Image();
	kunda.src = "img/kund_a.gif";

	var kundb = new Image();
	kundb.src = "img/kund_b.gif";

	var seminara = new Image();
	seminara.src = "img/sem_a.gif";

	var seminarb = new Image();
	seminarb.src = "img/sem_b.gif";

	var rekryta = new Image();
	rekryta.src = "img/rekr_a.gif";

	var rekrytb = new Image();
	rekrytb.src = "img/rekr_b.gif";

	var referensa = new Image();
	referensa.src = "img/ref_a.gif";

	var referensb = new Image();
	referensb.src = "img/ref_b.gif";

		var pressa = new Image();
	pressa.src = "img/press_a.gif";

	var pressb = new Image();
	pressb.src = "img/press_b.gif";

		var konta = new Image();
	konta.src = "img/kont_a.gif";

	var kontb = new Image();
	kontb.src = "img/kont_b.gif";

	var enga = new Image();
	enga.src = "img/eng_a.gif";

	var engb = new Image();
	engb.src = "img/eng_b.gif";

}

function byt(imgName) {
	if (document.images)
	document.images[imgName].src = eval (imgName + "b.src")
}


function bytIgen(imgName) {
	if (document.images)
	document.images[imgName].src = eval (imgName + "a.src")
}

if (document.images) {

	var leftDota = new Image();
	leftDota.src = "img/streck.gif";

	var leftDotb = new Image();
	leftDotb.src = "img/dot_1.gif";

	var omDota = new Image();
	omDota.src = "img/streck.gif";

	var omDotb = new Image();
	omDotb.src = "img/dot_2.gif";

	var kundDota = new Image();
	kundDota.src = "img/streck.gif";

	var kundDotb = new Image();
	kundDotb.src = "img/dot_3.gif";

	var seminarierDota = new Image();
	seminarierDota.src = "img/streck.gif";

	var seminarierDotb = new Image();
	seminarierDotb.src = "img/dot_4.gif";

	var rekrytDota = new Image();
	rekrytDota.src = "img/streck.gif";

	var rekrytDotb = new Image();
	rekrytDotb.src = "img/dot_5.gif";

	var referenserDota = new Image();
	referenserDota.src = "img/streck.gif";

	var referenserDotb = new Image();
	referenserDotb.src = "img/dot_6.gif";

	var pressDota = new Image();
	pressDota.src = "img/streck.gif";

	var pressDotb = new Image();
	pressDotb.src = "img/dot_8.gif";

	var kontDota = new Image();
	kontDota.src = "img/streck.gif";

	var kontDotb = new Image();
	kontDotb.src = "img/dot_7.gif";

}