// JavaScript Document
//this script uses side nav data for the current section from sidenav_data_xxx.js.
//it also uses the variable currentPage which is also used by the sidenav script and exists in the head of every page.
//find this page in the sidenav data array for this section and extract its path
//the array sideNavData[] exists in sidenav_data_xxx.js
for(idx=0; idx < sideNavData.length; idx=idx + 3){
if(sideNavData[idx] == currentPage){
currentNavPath = sideNavData[idx + 2];
break;
}
}
//now parse the navigation path for this page
crumbPages = currentNavPath.split("/");
//add the current page to the end of that path
crumbPages[crumbPages.length] = currentPage;
//now build the crumb trail array
//even entries are page names, odd entries links to those pages
//all pages have home in the path so its the first entry
crumbPath = new Array("Home","/");
//second entry in the path is the section title - sideNavTitle is in sidenav_data.js
//note: section titles don't currently have pages associated with them
crumbPath[2] = sideNavTitle;
crumbPath[3] = "#"; //using # as a default but this entry will not be used by crumbtrail
//now get the links for the rest of the crumb trail pages
crumbPathIndex = 4;
for(idx=0; idx < crumbPages.length; idx++){
crumbPath[crumbPathIndex] = crumbPages[idx];
for(idx2=0; idx2 < sideNavData.length; idx2=idx2 + 3){
if(sideNavData[idx2] == crumbPages[idx]){
crumbPath[crumbPathIndex + 1] = sideNavData[idx2 + 1];
crumbPathIndex = crumbPathIndex + 2;
break;
}
}
}
//now build tag for crumb trail
var crumbTag = "";
for(idx=0; idx < crumbPath.length - 2; idx=idx + 2){
if(idx == (crumbPath.length - 4)){
if(idx == 2){
crumbTag += crumbPath[idx];
} else {
crumbTag += "" + crumbPath[idx] +"";
}
} else {
if(idx == 2){
crumbTag += crumbPath[idx] +" > ";
} else {
crumbTag += "" + crumbPath[idx] +" > ";
}
}
}