function getWindowHeight() {
			var windowHeight = 0;
			if (typeof(window.innerHeight) == 'number') {
				windowHeight = window.innerHeight;
			}
			else {
				if (document.documentElement && document.documentElement.clientHeight) {
					windowHeight = document.documentElement.clientHeight;
				}
				else {
					if (document.body && document.body.clientHeight) {
						windowHeight = document.body.clientHeight;
					}
				}
			}
			return windowHeight;
		}
		function setFooter() {
			if (document.getElementById) {
				var windowHeight = getWindowHeight();
				if (windowHeight > 0) {
					var contentHeight = document.getElementById('content').offsetHeight;
					var footerElement = document.getElementById('footer');
					var footerHeight  = footerElement.offsetHeight;
					if (windowHeight - (contentHeight + footerHeight) >= 0) {
						footerElement.style.position = 'absolute';
						footerElement.style.top = (windowHeight - footerHeight) + 'px';
					}
					else {
						footerElement.style.position = 'static';
					}
				}
			}
		}
		window.onload = function() {
			setFooter();
		}
		window.onresize = function() {
			setFooter();
		}

function otworz(adres) {
noweOkno = window.open(adres, 'okienko', 'menubar=no, directories=no, toolbar=no, location=no, scrollbars=no, resizable=no, status=no, width=425, height=300, left=30, top=30')
noweOkno.focus()
} 


$(document).ready(function() {

// select the overlay element - and "make it an overlay"
$("#facebox").overlay({

	// custom top position
	top: 300,

	// some mask tweaks suitable for facebox-looking dialogs
	mask: {

		// you might also consider a "transparent" color for the mask
		color: '#fff',

		// load mask a little faster
		loadSpeed: 200,

		// very transparent
		opacity: 0.5
	},

	// disable this for modal dialog-type of overlays
	closeOnClick: true,

	// load it immediately after the construction
	load: true

});
});