// Left Navigation Script for NYC.gov Agency Templates

// Returns path with folder and file, else -1.
// ex. /folder/file.html
function getPath(thePath) {
	if (thePath == null) { return -1; }
	var startSlash = thePath.lastIndexOf("/");
	startSlash = thePath.lastIndexOf("/",startSlash -1);

	if (startSlash == -1) {
		return -1;
	} else {
		return thePath.substr(startSlash, thePath.length - startSlash);
	}
}

// Returns folder, else -1.
// ex. /folder/
function getFolder(thePath) {
	if (thePath == null) { return -1; }
	var startSlash = thePath.lastIndexOf("/");
	startSlash2 = thePath.lastIndexOf("/",startSlash -1);

	if(startSlash == startSlash2) { return -1; }
	if (startSlash == -1 || startSlash2 == -1) {
		return -1;
	} else {
		return thePath.substr(startSlash2, startSlash - startSlash2 + 1);
	}
}
if ((window.location.href).indexOf("translate_c?hl=en") == -1) { //do not show graphic nav if within google translate

var currentURL = getPath(location.href);
var expandCurrentNode = false;
var haveNodes = false;
var drawnSub=false;

document.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'>");

for(x=0;x<NAV_NODES.length;x++) {
	expandCurrentNode = false;
	haveNodes = false;
	drawnSub=false;

	//check for sub nodes
	if (NAV_NODES[x] == null) break;
	if (NAV_NODES[x].length > 2) {
		if (currentURL.indexOf(getFolder(NAV_NODES[x][1])) != -1) {
			expandCurrentNode = true;
		}
		for(y=2;y<NAV_NODES[x].length;y++) {
			if (NAV_NODES[x][y] == null) break;
			if (NAV_NODES[x][y][1] != null) haveNodes = true;
			if (currentURL.indexOf(getPath(NAV_NODES[x][y][1])) != -1) {
				expandCurrentNode = true;
			}
		}
	}

	//draw main nodes
	if (currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1 || expandCurrentNode == true) {
		document.write('<tr valign="top"><td class="nav_section_active" onMouseOver="this.id=\'over\'" onMouseOut="this.id=\'\'" onClick="window.location.href=\''+NAV_NODES[x][1]+'\'"><a href="' + NAV_NODES[x][1] + '">' + NAV_NODES[x][0] + '</a></td></tr>');
		expandCurrentNode = true;
	} else {
		document.write('<tr valign="top"><td class="nav_section" onMouseOver="this.id=\'over\'" onMouseOut="this.id=\'\'" onClick="window.location.href=\''+NAV_NODES[x][1]+'\'"><a href="' + NAV_NODES[x][1] + '">' + NAV_NODES[x][0] + '</a></td></tr>');
	}

	//draw sub nodes
	if (NAV_NODES[x].length > 2 && expandCurrentNode == true) {
		if(NAV_NODES[x][2] != null){
			document.write('<tr><td class="nav_top_spacer">&nbsp;</td></tr>');
		}
		for(y=2;y<NAV_NODES[x].length;y++) {
			if (NAV_NODES[x][y] == null) break;
			if (currentURL.indexOf(getPath(NAV_NODES[x][y][1])) != -1) {
				document.write('<tr><td class="nav_subsection" id="active">' + NAV_NODES[x][y][0] + '</td></tr>');
				drawnSub=true;
			} else {
				document.write('<tr><td class="nav_subsection"><a href="' + NAV_NODES[x][y][1] + '">' + NAV_NODES[x][y][0] + '</a></td></tr>');
				drawnSub=true;
			}
		}
		if(drawnSub){
			document.write('<tr><td class="nav_bottom_spacer">&nbsp;</td></tr>');
		}
	}
}

document.write("</table>");
}