function closeSection() 
{
  idmenuname="MenuSection";
	cSplit = document.cookie.split("; ");
	cNum   = cSplit.length;
  for (i=0; i<cNum; i++)
	{ 
		cOne   = cSplit[i].split("=");
		pozice = cOne[0].indexOf(idmenuname, 0);  
    if (pozice==0) 
			document.cookie=cOne[0]+"=off";
  }
}

function refreshSection() 
{
  idmenuname="MenuSection";
	cSplit = document.cookie.split("; ");
	cNum   = cSplit.length;
  for (i=0; i<cNum; i++)
	{ 
		cOne   = cSplit[i].split("=");
		pozice = cOne[0].indexOf(idmenuname, 0);  
    if (pozice==0) 
		{
      secobj = document.getElementById(cOne[0]);	
			secobj.className = cOne[1]; 
    }
  }
}

function doSection(secNum)
{
  closeSection(); // rozbalena menu automaticky zavirat
  refreshSection();
  if (secNum.className=="off") secNum.className="on" 
    else secNum.className="off";
	document.cookie=secNum.id + "=" +	secNum.className;
}