// JavaScript Document

	var oldnum = 'x';
	
	function popup_dot(num, photo, title, info) {
		var e = document.getElementById("dot"+num);
		document.getElementById("info_bubble").style.left = parseInt(e.style.left)+parseInt(e.offsetWidth)+ 1 + "px";
		document.getElementById("info_bubble").style.top = parseInt(e.style.top)+parseInt(e.offsetHeight) - 38 + "px";

		if (num !== oldnum) {
			document.getElementById("map_overlay_img").style.display = "none";
			setOpacity(0, "map_overlay_img");
			document.getElementById("map_overlay_img").src = '';
			document.getElementById("map_overlay_img").src = 'photos/map_img/' + photo + '.jpg';
			document.getElementById("map_overlay_header").innerHTML = title;
			document.getElementById("map_overlay_info").innerHTML = info;
			oldnum = num;
		}

		fadeTo("info_bubble", 100, 150);		
	}
	
	function popdown_dot() {
		fadeTo("info_bubble", 0, 300);
	}
	
	function loadup() {
		fadeTo("map_overlay_img", 100, 300);
	}