// Left Navigation Script for NYC.gov Agency Templates
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
// 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);
	}
}

var currentURL = getPath(location.href);
var expandCurrentNode = false;
var haveNodes = false;
var bgc="#EFEFE9";
var navClass="nav_section_active";
var page="home";

	if(currentURL.indexOf("about")!=-1){
		bgc="#A59A9A";
		page="notHome"
	}
	if(currentURL.indexOf("ceqr")!=-1){
		bgc="#2A59A6";
		page="ceqr"
	}
	if(currentURL.indexOf("home")!=-1){
		navClass="nav_section";
	}
	if(currentURL.indexOf("brown")!=-1){
		bgc="#5A409F";
		page="brown"
	}
	if(currentURL.indexOf("sustain")!=-1){
		bgc="#5D9C2A";
		page="sustain";
	}
	if(currentURL.indexOf("contact")!=-1){
		bgc="#A59A9A";
		page="notHome";
	}
	
	switch(page){
		case "home": break;
		default:
			document.write('<table cellspacing="0" cellpadding="0" border="0" width="168" height="85" bgcolor="#FFFFFF"><tr height="85"><td width="60">');
			if(page=="ceqr"){
				document.write("<a href='../../html/ceqr/ceqr.shtml'><img src='../../includes/site_images/nav/nav_ceqr_1.gif' width='60' height='85' border='0'></a>");
			}else{
				document.write("<a href='../../html/ceqr/ceqr.shtml' onMouseOut='MM_swapImgRestore()' onMouseOver='MM_swapImage(\"ceqr\",\"\",\"../../includes/site_images/nav/nav_ceqr_1.gif\",1)'><img src='../../includes/site_images/nav/nav_ceqr_0.gif' width='60' height='85' alt='CEQR' name='ceqr' id='ceqr' border='0'></a>");
			}
			document.write('</td><td width="54">');
			if(page=="sustain"){
				document.write("<a href='../../html/sustain/green_build.shtml'><img src='../../includes/site_images/nav/nav_sustain_1.gif' width='54' height='85' border='0'></a>");
			}else{
				document.write("<a href='../../html/sustain/green_build.shtml' onMouseOut='MM_swapImgRestore()' onMouseOver='MM_swapImage(\"sustain\",\"\",\"../../includes/site_images/nav/nav_sustain_1.gif\",1)'><img src='../../includes/site_images/nav/nav_sustain_0.gif' width='54' height='85' alt='Green Buildings' name='sustain' id='sustain' border='0'></a>");
			}
			document.write('</td><td width="54"></tr></table>');
			break;
	}

for(x=0;x<NAV_NODES.length;x++) {
	expandCurrentNode = false;
	haveNodes = 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;
			}
		}
	}
document.write("<table width='165' border='0' cellspacing='0' cellpadding='0'>");
document.write("<tr><td colspan='3'><img src='../../includes/site_images/nav/nav_divider.gif' width='168' height='2'></td>");
	
	//draw main nodes
	if (currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1 || expandCurrentNode == true) {
		document.write("<tr valign='top' bgcolor='"+bgc+"'><td colspan='3' width='168'><img src='../../includes/site_images/spacers/spacer.gif' width='168' height='4'></td></tr>");
		document.write("<tr valign='top' bgcolor='"+bgc+"'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' height='5' width='15'></td><td colspan='2' width='153'><a href='" + NAV_NODES[x][1] + "' class='"+navClass+"'>" + NAV_NODES[x][0] + "</a></td></tr>");
		expandCurrentNode = true;
	} else {
		document.write("<tr valign='top' bgcolor='#EFEFE9'><td colspan='3' width='168'><img src='../../includes/site_images/spacers/spacer.gif' width='168' height='4'></td></tr>");
		document.write("<tr valign='top' bgcolor='#EFEFE9'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' height='5' width='15'></td><td colspan='2' width='153'><a href='" + NAV_NODES[x][1] + "' class='nav_section'>" + NAV_NODES[x][0] + "</a></td></tr>");
	}

	//draw sub nodes
	if (NAV_NODES[x].length > 2 && expandCurrentNode == true) {
		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' bgcolor='"+bgc+"'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' height='5' width='15'></td><td width='9'><img src='../../includes/site_images/nav/subnav_left.gif' align='middle' border='0' width='9' height='14'></td>");
				document.write("<td width='144'><a href='" + NAV_NODES[x][y][1] + "' class='nav_subsection_active'>" + NAV_NODES[x][y][0] + "</a></td></tr>");
			} else {
				document.write("<tr valign='top' bgcolor='"+bgc+"'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' height='5' width='15'></td><td width='9'><img src='../../includes/site_images/nav/subnav_left.gif' align='middle' border='0' width='9' height='14'>");
				document.write("<td width='144'><a href='" + NAV_NODES[x][y][1] + "' class='nav_subsection'>" + NAV_NODES[x][y][0] + "</a></td></tr>");
			}
		}
	}
	if (currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1 || expandCurrentNode == true) {
		document.write("<tr valign='top' bgcolor='"+bgc+"'><td colspan='3' width='168'><img src='../../includes/site_images/spacers/spacer.gif' width='168' height='4'></td></tr>");
	}else{
		document.write("<tr valign='top' bgcolor='#EFEFE9'><td colspan='3' width='168'><img src='../../includes/site_images/spacers/spacer.gif' width='168' height='4'></td></tr>");
	}
}
document.write("<tr><td colspan='3'><img src='../../includes/site_images/nav/nav_divider.gif' width='168' height='2'></td>");

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

// The following DW JS is used for imageover effects

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}