function do_toggle (n) {
                for (var i = 0; i<toggle_elements.length; i++) {
                    if (i!= n) toggle_elements[i].hide();
                    else toggle_elements[i].toggle();
                }
            }

	function okno(w, popis) {
			if (typeof(document.body.onresize)!="undefined")
				 {
					if (popis) popis=popis.replace(/%/g,"%25").replace(/&/g,"%26")
					else popis=""
					window.open("shower.php?obr="+w+"&popis="+popis,"show_big","toolbar=0,scrollbars=0,location=0,status=0,width=200,height=100,resizable=0,menubar=0,directories=0")
				} else {
					window.open(w,"show_big")
				}
			}