function substr_count(needle, haystack)
{
	var j = 0; 
	for (var i=0; i < haystack.length; i++) 
	{ 
		if (needle == haystack.substr(i,needle.length)) 
		j++; 
	} 
	return j; 
}
function polozka_ostatni(nazev_select) 
{
	var selected_index = document.form.elements[nazev_select].selectedIndex; 
	
	var select_hodnota = document.form.elements[nazev_select].options[selected_index].text;	
	
	el=document.getElementById(nazev_select).style; 
	el2=document.getElementById('hide_'+nazev_select).style; 
	
	if (substr_count('*', select_hodnota) > 0 || select_hodnota == 'jiné')
	{
		el.display='inline';
		el2.display='none';
	}
	else
	{
		el.display='none';
		el2.display='inline';
	}
	
	if (substr_count('*', select_hodnota) > 0)
	{
	var policko = 'jine_'+nazev_select;
	document.forms.form.elements[policko].value=select_hodnota;
	}
}