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

document.write("<table width='175' border='0' cellspacing='0' cellpadding='0'>");

for(x=0;x<NAV_NODES.length;x++) {
	expandCurrentNode = false;
	haveNodes = false;
	var 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;
			}
		}
	}
	var theFolder=getFolder(NAV_NODES[x][1]);
	var activeNav=false;
	theFolder=theFolder.substr(1,theFolder.length-2);
	
	//draw main nodes
	if ((currentURL.indexOf("/home/")==-1)&&(currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1 || expandCurrentNode == true)){
		document.write("<tr valign='top'><td><a onMouseOver=swapImage('"+theFolder+"','"+theFolder+"_3.gif') onMouseOut=restoreImage('"+theFolder+"') href="+NAV_NODES[x][1]+"><img src='../../includes/site_images/nav/"+theFolder+"_2.gif' alt='"+ NAV_NODES[x][0] + "' border='0' name='"+theFolder+"' id='"+theFolder+"'></a></td></tr>");
		preLoadImage("../../includes/site_images/nav/"+theFolder+"_3.gif");
		expandCurrentNode = true;
		activeNav=true;
	} else {
		document.write("<tr valign='top'><td><a onMouseOver=swapImage('"+theFolder+"','"+theFolder+"_1.gif') onMouseOut=restoreImage('"+theFolder+"') href="+NAV_NODES[x][1]+"><img src='../../includes/site_images/nav/"+theFolder+"_0.gif' alt='"+ NAV_NODES[x][0] + "' border='0' name='"+theFolder+"' id='"+theFolder+"'></a></td></tr>");
		preLoadImage("../../includes/site_images/nav/"+theFolder+"_1.gif");
	}
	//draw sub nodes
	if (NAV_NODES[x].length > 2 && expandCurrentNode == true) {
		if(NAV_NODES[x][2]!=null){
			document.write("<tr><td class='subnav_bg'><img src='../../includes/site_images/spacers/spacer.gif' width='175' height='1' alt='' border='0'></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 valign='top'><td class='nav_subsection'><span class='nav_subsection_active'>" + NAV_NODES[x][y][0] + "</span></td></tr>");
					drawnSub=true;
				} else {
					document.write("<tr valign='top'><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='subnav_bg'><img src='../../includes/site_images/spacers/spacer.gif' width='175' height='5' alt='' border='0'></td></tr>");
	}
	if((currentURL.indexOf("/home/")==-1)&&expandCurrentNode){
		document.write("<tr><td class='nav_bottom'><img src='../../includes/site_images/nav/nav_bottom.gif' width='175' height='6' alt='' border='0'></td></tr>");
	}
	document.write("<tr><td class='nav_bg'><img src='../../includes/site_images/spacers/spacer.gif' width='175' height='2' alt='' border='0'></td></tr>");
}

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