function csuki(doboznev)
{
       kep_id = doboznev + '_kep';
       torzs_id = doboznev + '_torzs';
       kep = document.getElementById(kep_id);
       torzs = document.getElementById(torzs_id);
       if (torzs.style.display == 'none')
       {
	      torzs.style.display = 'block';
	      kep.src = 'galeria/block-close.gif';
       }
       else
       {
	      torzs.style.display = 'none';
	      kep.src = 'galeria/block-open.gif';	
       }
}