// 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 wasActiveNode=true;

//document.write("<table width='100%' border='0' cellspacing='0' cellpadding='0' align='left'><tr><td colspan='3'><img src='../../includes/site_images/spacers/spacer.gif' height='2' width='15'></td></tr>");

document.write("<a href='http://www.nyc.gov'><img src='../../includes/site_images/nav/health_home.gif' border='0'></a>");
document.write('<div id="search"><form style="display: inline; margin: 0px 0px 0px 0px; " action="http://search1.nyc.gov/search?" method="GET" name="gs"><br><img src="../../includes/site_images/spacers/spacer.gif" height="6" width="1"><br><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/doh/flu" name="sitesearch" type="hidden"><input type="text" name="q" id="search_nycgov"><input type="button" id="searchButton" onClick="javascript:document.gs.submit();" ></form>');
document.write('<br><img src="../../includes/site_images/spacers/spacer.gif" height=18 width=60><a href="http://search1.nyc.gov/search?access=p&output=xml_no_dtd&sort=date%3AD%3AL%3Ad1&ie=UTF-8&client=agency_frontend&q=&sitesearch=www.nyc.gov%2Fhtml%2Fdoh%2Fflu&site=default_collection&y=0&oe=UTF-8&proxystylesheet=agency_frontend&ip=161.185.150.22&x=0&proxycustom=%3CADVANCED/%3E"><img src="../../includes/site_images/spacers/spacer.gif" height=18 width=100 border=0></a></div>');
document.write("<ul id='nav'>");


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(getFolder(NAV_NODES[x][1])) != -1)&&(currentURL.indexOf("home")==-1)){
		if(haveNodes){
			if (currentURL.indexOf(getPath(NAV_NODES[x][1])) != -1){
 				document.write('<li><div class="top"></div><div class="mid"><img src="../../includes/site_images/spacers/spacer.gif" width="5" height="1" alt="" border="0"><ul class="noline"><li class="selected"><a href="' + NAV_NODES[x][1] + '">' + NAV_NODES[x][0] + '</a></li>');
				for(y=2;y<NAV_NODES[x].length;y++) {
					if (NAV_NODES[x][y] == null) break;
					document.write('<li><a href="'+NAV_NODES[x][y][1]+'">&raquo; '+NAV_NODES[x][y][0].replace(/<br>/g, "<br><img src='../../includes/spacers/spacer.gif' height='1' width='23' border='0'>") +'</a></li>');
				}
				document.write('</ul></div><div class="bottom"></div></li>');
 			}else{
 				document.write('<li><div class="top"></div><div class="mid"><a href="' + NAV_NODES[x][1] + '">' + NAV_NODES[x][0] + '</a><ul>');
				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){
						if (NAV_NODES[x][y][0].indexOf("<br>") == -1) {
							document.write('<li class="selected"><a href="'+NAV_NODES[x][y][1]+'">&raquo; '+NAV_NODES[x][y][0]+'</a></li>');
						} else {
							document.write('<li class="selected2"><a href="'+NAV_NODES[x][y][1]+'">&raquo; '+NAV_NODES[x][y][0].replace(/<br>/g, "<br><img src='../../includes/spacers/spacer.gif' height='1' width='23' border='0'>") +'</a></li>');
						}
					}else{
						document.write('<li><a href="'+NAV_NODES[x][y][1]+'">&raquo; '+NAV_NODES[x][y][0].replace(/<br>/g, "<br><img src='../../includes/spacers/spacer.gif' height='1' width='23' border='0'>") +'</a></li>');
					}
				}
				document.write('</ul></div><div class="bottom"></div></li>');
			}
		}else{
				document.write("<li class='selected'><div class='top'></div><div class='mid'><a href='" + NAV_NODES[x][1] + "'>" + NAV_NODES[x][0] + "</a></div><div class='bottom'></div></li>");
		}
	}else{
		document.write("<li><div class='top'></div><div class='mid'><a href='" + NAV_NODES[x][1] + "'>" + NAV_NODES[x][0] + "</a></div><div class='bottom'></div></li>");
	}
}

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

// 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];}
}