function showHideLayer(lay,act) {
if (act == 'show')
	{
		document.getElementById('lineimg').src='linetest/masterfadeout.gif';

		document.getElementById(lay).style.display = 'block';
	} else {
		document.getElementById(lay).style.display = 'none';
		document.getElementById('lineimg').src='linetest/masterfade.gif';

	}
}