<!--
function mchga(id) {
  var d = document.getElementById(id);
  menuhide("a", 10, id); del_c ( "mchga" );
  menuhide("b", 17, id); del_c ( "mchgb" );
  menuhide("c", 19, id); del_c ( "mchgc" );
  if (d.style.display=='') {
       d.style.display='none'; del_c ( "mchga" );
	  } else {
	   d.style.display='';
	   seta(id);}
}
function mchgb(id) {
  var d = document.getElementById(id);
  menuhide("b", 17, id); del_c ( "mchgb" );
  menuhide("c", 19, id); del_c ( "mchgc" );
  if (d.style.display=='') {
       d.style.display='none'; del_c ( "mchgb" );
	  } else {
	   d.style.display='';
	   setb(id);}
}
function mchgc(id) {
  var d = document.getElementById(id);
  menuhide("c", 19, id); del_c ( "mchgc" );
  if (d.style.display=='') {
       d.style.display='none'; del_c ( "mchgc" );
	  } else {
	   d.style.display='';
	   setc(id);}
}

function no(id) {
  document.getElementById(id).style.display='none';
}

function menuhide(szint, szam, id) {
  for (var i=1; i<=szam; i++){
     var j= "m"+szint+i;
	 if (j != id){
     document.getElementById(j).style.display='none';
	 }
  }
}

function set_c(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function get_c(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function del_c(name) {
	set_c(name,"",-1);
}

function delc() {
	del_c ( "mchga" );
	del_c ( "mchgb" );
	del_c ( "mchgc" );
}

function seta(id) { set_c( "mchga", id, "1" );}
function setb(id) { set_c( "mchgb", id, "1" );}
function setc(id) { set_c( "mchgc", id, "1" );}

function aktc() {
	var a = get_c('mchga');
	var b = get_c('mchgb');
	var c = get_c('mchgc');
	if (a) { document.getElementById(a).style.display='';}
	if (b) { document.getElementById(b).style.display='';}
	if (c) { document.getElementById(c).style.display='';}
}

//-->