function updatelinks(lon,lat,zoom) {
	var links = new Array();
	links['viewanchor'] = 'index.html';
	//links['editanchor'] = 'edit.html';
	links['uploadanchor'] = 'upload.html';
	links['loginanchor'] = 'login.html';
	links['logoutanchor'] = 'logout.html';
	links['registeranchor'] = 'create-account.html';
 

	var node;
	var anchor;
	for (anchor in links) {
		node = document.getElementById(anchor);
		if (! node) { continue; }
		node.href = links[anchor] + "?lat=" + lat + "&lon=" + lon + "&zoom=" + zoom;
	}

	node = document.getElementById("editanchor");
	if (node) {
		if ( zoom >= 14) {
			node.href = 'edit.html?lat=' + lat + '&lon=' + lon + "&zoom=" + zoom;
			node.style.fontStyle = 'normal';
		} else {
			node.href = 'javascript:alert("zoom in to edit map");';
			node.style.fontStyle = 'italic';
		}
	}
}