// JavaScript Document

  function swap(url,ind) {
	document['imgMain'].src = url;

	var rows = window.document.getElementsByTagName("img");  
	for(i = 0; i < rows.length; i++){          
		rows[i].className = "";
	}
	window.document.getElementById("th"+ind).className = "selected";
  }


	function showHide(id) {
				obj = document.getElementById(id);
				obj.style.display = (obj.style.display == "block" ? "none" : "block");
			}

	function otworz(theUrl){
		document.location.href = theUrl;
	}