function showParkDetail(title, desc, accomodation, visitingPeriod, image) {	
	
	var div = id("park_detail");
	var img = "<img src=\"" + image + "\" align=\"left\"/>";
	var visit = "<span class=\"param\">Visiting Period</span>: <span class=\"value\">" + visitingPeriod + "</span>";
	
	div.innerHTML = '<div id="park_detail_close"><a href="#">Close</a></div>' +
									'<h2>' + title + '</h2><br/>' + img + desc +
									'<br/>' + accomodation + "<br/><br/>" + visit;
	
	id("park_detail_close").onclick = hideParkOverlay;
	
	fadeIn( div, 100, 10 );
	adjust();
}

function hideParkOverlay() {
	hide( id("park_overlay") );
	hide( id("park_detail") );
}

function showParkOverlay() {
	var over = id("park_overlay");
	over.style.height = pageHeight() + "px";
	over.style.width = pageWidth() + "px";
	fadeIn(over, 50, 10);
}