// 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;

document.write("<table width='180' border='0' cellpadding='0' cellspacing='0' bgcolor='FFFFFF'>");
document.write("<form action='http://search1.nyc.gov/search?' method='GET' name='gs' style='margin-bottom:0px'>");
document.write("<tr><td align='center' class='border'>");
document.write("<img src='../../includes/site_images/spacers/spacer.gif' width='5' height='1' border='0'><input name='q' type='text' class='search-box' id='q' size='12' style='width : 175px' align='left'>");
document.write("<input value='xml_no_dtd' name='output' type='hidden'><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/housinginfo' name='sitesearch' type='hidden'>");
document.write("<br><img src='../../includes/site_images/spacers/spacer.gif' width='15' height='1' border='0'><input name='go' type='image' id='go' onMouseOut='MM_swapImgRestore()' onMouseOver=\"MM_swapImage('go','','../../includes/site_images/misc/search_button_over.gif',1)\" src='../../includes/site_images/misc/search_button.gif'  alt='Search' width='165' height='18' border='0'></td></tr></form></table>");


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;
			}
		}
	}

	//draw main nodes
	if (currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1 || expandCurrentNode == true) {
		document.write('<table width="175" border="0" cellpadding="8" cellspacing="0"><tr>');
		document.write('<td bgcolor="#F0F0F0"><a href="' + NAV_NODES[x][1] + '" class="nav_section_active">' + NAV_NODES[x][0] + '</a>');
		expandCurrentNode = true;
	} else {
		document.write('<table width="175" border="0" cellpadding="8" cellspacing="0"><tr>');
		document.write('<td bgcolor="#F0F0F0"><a href="' + NAV_NODES[x][1] + '" class="nav_section">' + NAV_NODES[x][0] + '</a>');
	}

	//draw sub nodes
	expandCurrentNode = true;
	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('<table width="100%%" border="0" cellspacing="0" cellpadding="0">');
				document.write('<tr valign="top"><td width="7" class="nav_sub">-</td>');
				document.write('<td> <a href="' + NAV_NODES[x][y][1] + '" class="nav_subsection_active">' + NAV_NODES[x][y][0] + '</a></td></tr></table>');
			} else {
				document.write('<table width="100%%" border="0" cellspacing="0" cellpadding="0">');
				document.write('<tr valign="top"><td width="7" class="nav_sub">-</td>');
				document.write('<td> <a href="' + NAV_NODES[x][y][1] + '" class="nav_subsection">' + NAV_NODES[x][y][0] + '</a></td></tr></table>');
			}
		}
	}
	document.write('</td></tr></table><img src="../../includes/site_images/spacers/spacer.gif" width="180" height="2">');
}


// 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];}
}