document.write('<style type="text/css">.onl{position: absolute;left: -10000px;top: -10000px;visibility: hidden;}</style>');
  function vis(menuid) {
	var rowx = document.getElementById(menuid);

		if(rowx.className=="vis")rowx.className="nasc";

		else if(rowx.className=="nasc"||rowx.className=="onl")rowx.className="vis";

}

/*
function hide(id){
    var obj = null;
    obj = document.getElementById(id);
    obj.className = 'invisibile';
}*/