function ArataMeniu(whichLayer)
{
	showRow = (navigator.appName.indexOf("Internet Explorer") != -1) ? "block" : "table-row";

	if (document.getElementById)
	{
		// this is the way the standards work
			var style2 = document.getElementById(whichLayer).style;
			//style2.display = style2.display? "":"block";
			style2.display=(style2.display=="none")? showRow :"none";

	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display=(style2.display=="none")? showRow :"none";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display=(style2.display=="none")? showRow :"none";
	}
}