function stopka() {
	offsetYStopki = document.getElementById('stopka').offsetTop;
	wysokoscOkna = document.body.clientHeight;
	wysokoscStopki = document.getElementById('stopka').offsetHeight;
	wysokoscStrony = wysokoscOkna - wysokoscStopki;
	wskaznikStrony = document.getElementById('strona').style;
	if (offsetYStopki < wysokoscStrony) wskaznikStrony.height = wysokoscStrony + "px";
}

function zdjecie(src) {
	window.open("zdjecie.php?src="+src,'','width=700, height=600, top=10, left=10, resizable=yes, scrollbars=no, toolbars=no, status=yes');
}

var btns = new Array();


function p(id) {
	btns[id] = true;
	h = document.getElementById(id);
	h.style.display = 'block';
}
function u(id) {
	btns[id] = false;
	setTimeout("u2('"+id+"')", 100);
}
function u2(id) {
	if (!btns[id]) {
		h = document.getElementById(id);
		h.style.display = 'none';
	}
}

function get2(href) {
		get(href);
}

function get(href) {
	url = "ajax.php?page=" + escape(href);
	//alert(href);
	var http_request = false;

		if (window.XMLHttpRequest) { // Mozilla, Safari,...
				http_request = new XMLHttpRequest();
				if (http_request.overrideMimeType) {
						http_request.overrideMimeType('text/xml');
						// See note below about this line
				}
		} else if (window.ActiveXObject) { // IE
				try {
						http_request = new ActiveXObject("Msxml2.XMLHTTP");
				} catch (e) {
						try {
								http_request = new ActiveXObject("Microsoft.XMLHTTP");
						} catch (e) {}
				}
		}

		if (!http_request) {
				//alert('Giving up :( Cannot create an XMLHTTP instance');
				document.location = href;
				return true;
		}
		http_request.onreadystatechange = function() { alertContents(http_request); };
		http_request.open('GET', url, true);
		http_request.send(null);
		return false;
}

function alertContents(http_request) {
		if (http_request.readyState == 4) {
				if (http_request.status == 200) {
						//alert(http_request.responseText);
						document.getElementById('content').innerHTML = http_request.responseText;
				} else {
						alert('There was a problem with the request.');
				}
		}
}