function f(x)
{
	if (document.getElementById(x).style.display == 'none')
	{
		document.getElementById(x).style.display = "block";
	}
	else
	{
		document.getElementById(x).style.display = "none";
	}
}

function fsize(size,unit,id)
{
	var vfontsize = document.getElementById(id);
	if(vfontsize)
	{
		vfontsize.style.fontSize = size + unit;
	}
}

function showProvince(sel)
{
	if (sel.options[sel.selectedIndex].value == '157')
	{
		document.getElementById('wojewodztwo').style.display = "block";
	}
	else
	{
		document.getElementById('wojewodztwo').style.display = "none";
	}
}