// 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);
	}
}

var currentURL = getPath(location.href);
var expandCurrentNode = false;
var haveNodes = false;
var active=0;
var contact=0;
var drawnSub = false;


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;
			}
		}
	}



	//if (x != 0) {
	//	document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='15'></td><td width='150'><img src='../../includes/site_images/nav/divider.gif' width='150' height='11'></td><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='15'></td></tr>");
	//}
	
	//draw main nodes
	if (currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1 || expandCurrentNode == true) {
		if (NAV_NODES[x][0]!='Home'){
		document.write("<tr valign='top'><td width='15' bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155' bgcolor='FFFFFF' align='right'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='6'><br><a href='" + NAV_NODES[x][1] + "' class='nav_section_active'>" + NAV_NODES[x][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='3'></td><td width='10' bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
		}
		else{
		document.write("<table width='180' border='0' cellspacing='0' cellpadding='0'><tr><td><img src='../../includes/site_images/nav/nav_pic.gif' width='180' height='101' border='0'></td></tr><tr><td bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='2'></td></tr></table>");
		document.write('<table width="180" border="0" cellspacing="0" cellpadding="0"><tr><form action="http://search1.nyc.gov/search?" method="GET" name="gs" style="margin-bottom: 0px;"><input value="xml_no_dtd" name="output" type="hidden">');
		document.write('<input value="default_collection" name="site" type="hidden"><input value="agency_frontend" name="proxystylesheet" type="hidden"><input value="agency_frontend" name="client" type="hidden"><input value="www.nyc.gov/html/oem" name="sitesearch" type="hidden">');
		document.write('<td width="15" bgcolor="#93A5C0"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="10"></td><td bgcolor="#93A5C0"><img src="../../includes/site_images/nav/search.gif" width="50" height="27" border="0"><br>');
		document.write('<input type="text" name="q" id="search_nycgov" style="width:128px;"><a href="javascript:document.gs.submit();" onMouseOver="MM_swapImage(\'go\',\'\',\'../../includes/site_images/nav/search_botton_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="../../includes/site_images/nav/search_botton.gif" alt="Go" name="go" width="21" height="23" border="0" align="absmiddle" id="go"></a></td>');
		document.write('</form></tr><tr><td width="15" height="15" bgcolor="#93A5C0"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="15"></td><td bgcolor="#93A5C0"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="15"></td></tr><tr><td bgcolor="#FFFFFF"><img src="../../includes/site_images/spacers/spacer.gif" width="1" height="2"></td>');
		document.write('<td bgcolor="#FFFFFF"><img src="../../includes/site_images/spacers/spacer.gif" width="1" height="2"></td></tr></table>'); 
		document.write("<table width='180' border='0' cellspacing='0' cellpadding='0'>");
		
		document.write('<tr valign="top"><td width="15"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="12"></td><td width="155"><img src="../../includes/site_images/spacers/spacer.gif" width="155" height="12"></td><td width="10"><img src="../../includes/site_images/spacers/spacer.gif" width="10" height="12"></td></tr>');
		document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='1'><br><a href='" + NAV_NODES[x][1] + "' class='nav_section'>" + NAV_NODES[x][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
		document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/nav/divider.gif' width='155' height='1'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
		}
		expandCurrentNode = true;
		active=1;
		if(NAV_NODES[x][0]=='Contact OEM'){ 
			contact=1;
		}
	} else {
		if (active==0){
			if(NAV_NODES[x][0]!='Home'){
					document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/nav/divider.gif' width='155' height='1'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
					document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'><br><a href='" + NAV_NODES[x][1] + "' class='nav_section'>" + NAV_NODES[x][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
			}
			else{
					document.write('<table width="180" border="0" cellspacing="0" cellpadding="0"><tr><form action="http://search1.nyc.gov/search?" method="GET" name="gs" style="margin-bottom: 0px;"><input value="xml_no_dtd" name="output" type="hidden">');
					document.write('<input value="default_collection" name="site" type="hidden"><input value="agency_frontend" name="proxystylesheet" type="hidden"><input value="agency_frontend" name="client" type="hidden"><input value="www.nyc.gov/html/oem" name="sitesearch" type="hidden">');
					document.write('<td width="15" bgcolor="#93A5C0"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="10"></td><td bgcolor="#93A5C0"><img src="../../includes/site_images/nav/search.gif" width="50" height="27" border="0"><br>');
					document.write('<input type="text" name="q" id="search_nycgov" style="width:128px;"><a href="javascript:document.gs.submit();" onMouseOver="MM_swapImage(\'go\',\'\',\'../../includes/site_images/nav/search_botton_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="../../includes/site_images/nav/search_botton.gif" alt="Go" name="go" width="21" height="23" border="0" align="absmiddle" id="go"></a></td>');
					document.write('</form></tr><tr><td width="15" height="15" bgcolor="#93A5C0"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="15"></td><td bgcolor="#93A5C0"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="15"></td></tr><tr><td bgcolor="#FFFFFF"><img src="../../includes/site_images/spacers/spacer.gif" width="1" height="2"></td>');
					document.write('<td bgcolor="#FFFFFF"><img src="../../includes/site_images/spacers/spacer.gif" width="1" height="2"></td></tr></table>'); 
					document.write("<table width='180' border='0' cellspacing='0' cellpadding='0'>");
					
					document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='12'></td><td width='155'><img src='../../includes/site_images/spacers/spacer.gif' width='155' height='12'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='12'></td></tr><tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'><br><a href='" + NAV_NODES[x][1] + "' class='nav_section'>" + NAV_NODES[x][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
					active=0;
			}
		}
		if (active==1){
					//document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='15'></td><td width='155'><img src='../../includes/site_images/nav/divider.gif' width='155' height='1'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
					document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15'></td><td width='155'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'><br><a href='" + NAV_NODES[x][1] + "' class='nav_section'>" + NAV_NODES[x][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='5'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
		active=0;
		}
	}

	//draw sub nodes
	drawnSub = false;
	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'><td width='170' colspan='2' bgcolor='FFFFFF' align='right'><a href='" + NAV_NODES[x][y][1] + "' class='nav_subsection_active'>" + NAV_NODES[x][y][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='2'></td><td width='10' bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
				drawnSub = true;
			} else {
				document.write("<tr valign='top'><td width='170' colspan='2' bgcolor='FFFFFF' align='right'><a href='" + NAV_NODES[x][y][1] + "' class='nav_subsection_active'>" + NAV_NODES[x][y][0] + "</a><br><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='2'></td><td width='10' bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
				drawnSub = true;
			}
			
		}if (drawnSub == true) {
			    document.write("<tr valign='top'><td width='15' bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155' bgcolor='FFFFFF' align='right'><img src='../../includes/site_images/spacers/spacer.gif' width='1' height='14' border='0'></td><td width='10' bgcolor='FFFFFF'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
				}
	}
}

//document.write('</td></tr>');
if (contact==0){
	document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/nav/divider.gif' width='155' height='1'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
}
//document.write("<tr valign='top'><td width='15'><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1'></td><td width='155'><img src='../../includes/site_images/nav/divider.gif' width='155' height='1'></td><td width='10'><img src='../../includes/site_images/spacers/spacer.gif' width='10' height='1'></td></tr>");
document.write('<tr valign="top"><td width="15"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="1"></td>');
//document.write('<td width="15" bgcolor="#FFCB30"><img src="../../includes/site_images/spacers/spacer.gif" width="15" height="15"></td>');
document.write('<td width="155"><img src="../../includes/site_images/spacers/spacer.gif" width="1" height="5"><br></td>');
document.write('<td width="10"><img src="../../includes/site_images/spacers/spacer.gif" width="10" height="1"></td></tr></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];}
}