zobrazeno = new Array(1000);

for (i=0; i < zobrazeno.length; i++) 
{
  zobrazeno[i] = 0;  
}

function showimgs(idecko) {

  if (zobrazeno[idecko] == 0)
  {
    document.getElementById('bookmark-link'+idecko).innerHTML='<span id="bookmark-close">Bookmarky</span>';
    document.getElementById('bookmark'+idecko).style.display='block';
    zobrazeno[idecko] = 1;
	}
  else
  {
	  document.getElementById('bookmark-link'+idecko).innerHTML='<span id="bookmark-link">Bookmarky</span>';
    document.getElementById('bookmark'+idecko).style.display='none';
    zobrazeno[idecko] = 0;
	}
}