function submenu(idn, on){
	var obj = document.getElementById(idn);
	obj.style.visibility = "hidden";
	if (on) {obj.style.visibility = "visible";}
}



function expert() {
	var obj = document.getElementById("dns_expert");

	if (obj.style.display == "none") {
		obj.style.display = "";
	} else {
		obj.style.display = "none";
	}
}

//pre vyber domeny zakaznika, Palo

function Menu(){
if(document.zmena_domeny.domeny.options[document.zmena_domeny.domeny.selectedIndex].value != ''){
	top.location.href = "index.php?IDD=" + document.zmena_domeny.domeny.options[document.zmena_domeny.domeny.selectedIndex].value;
 	}
}


// pomaha pri volbe statu v module Kontaktne udaje
function manage_states_field(state_field_id, selected_state, selected_state_field_id, red_element_id )
{
	var nase;
	var x;

	if(selected_state == 'NULL'){ return true; }

	document.getElementById(state_field_id).value=selected_state;
	nase 			= document.getElementById(selected_state_field_id);
	nase.selected 	= 'NULL';

	for (x=0 ;x<nase.length; x++){
		if (nase.options[x].value == 'NULL') {
			document.getElementById(selected_state_field_id).options[x].selected = true;
			}else{
			document.getElementById(selected_state_field_id).options[x].selected = false;
		}
	}

	if(red_element_id != ''){
		document.getElementById(red_element_id).className = null;
	}
	return true;
}