function ukryj(a,b)
{
	if(document.getElementById(a).style.display != "none")
	{
		document.getElementById(a).style.display = "none";
		document.images[b].src = "img/plus.gif";
	}
	else
	{
		document.getElementById(a).style.display = "";
		document.images[b].src = "img/minus.gif";
	}
}

//
//----------------------------
//