<!-- //

function zmien(a)
{
	document.getElementById("dzis").style.display = "none";
	document.getElementById("jutro").style.display = "none";
	document.getElementById("pojutrze").style.display = "none";
	document.getElementById('dz').className = "nieakt";
	document.getElementById('ju').className = "nieakt";
	document.getElementById('po').className = "nieakt";

	if(a=='dz')
	{
		document.getElementById("dzis").style.display = "block";
		document.getElementById('dz').className = "akt";
	}
	else if(a=='ju')
	{
		document.getElementById("jutro").style.display = "block";
		document.getElementById('ju').className = "akt";
	}
	else if(a=='po')
	{
		document.getElementById("pojutrze").style.display = "block";
		document.getElementById('po').className = "akt";
	}
}

function okno(url,width,height)
{
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no' );
}

function maxlength(co,dlugosc)
{
	return(co.value.length<=dlugosc);
}

// -->