function kepcsere(hiddenCtrl, imagePathChecked, imagePathUnchecked)
{
	var img = null;
	img = document.images['img_' + hiddenCtrl.name];

	if (hiddenCtrl.value == 'i') {
		hiddenCtrl.value = 'n';
		if (img != null) {
			img.src = imagePathUnchecked;

		}
	} else {
		hiddenCtrl.value = 'i';
		if (img != null) {
			img.src = imagePathChecked;			

		}
	}
}