/*
Copyright wildeye 2010.
  http://www.wildeye.com.au/
Perpetual, non-exclusive license to use this code is granted
on the condition that this notice is left in tact.

BASED ON: code from Justin Whitford http://www.whitford.id.au/
-----
1. added strip for %20 urls
2. added title function for accessibilty
----
*/
function breadcrumbs(){
  sURL = new String;
  bits = new Object;
  var x = 0;
  var stop = 0;
  var output = "<a title=\"Home\" href=\"/\" >Home</a> ";
  
  sURL = location.href;
  sURL = sURL.slice(8,sURL.length);
  chunkStart = sURL.indexOf("/");
  sURL = sURL.slice(chunkStart+1,sURL.length)
  while(!stop){
    chunkStart = sURL.indexOf("/");
    if (chunkStart != -1){
      bits[x] = sURL.slice(0,chunkStart)
      sURL = sURL.slice(chunkStart+1,sURL.length);
    }else{
      stop = 1;
    }
    x++;
  }
  for(var i in bits){
    output += " <a href=\"";
    for(y=1;y<x-i;y++){
      output += "../";
    }
    output += bits[i] + "/\"" + "title=\"" + clean(bits[i].replace(/%20/g," ")) + "\"> " + clean(bits[i].replace(/%20/g," ")) + "</a> ";
  }
  document.write(output + document.title);
}
replaceList = {
  '_':' '
  ,'-':' '
  ,'& ':'&amp; '
  ,'\"':'&quot'
  ,'<':'&lt;'
  ,'>':'&gt'
};
function clean(arg){
  out=arg;
  for(var n in replaceList){
    while(out.indexOf(n)!=-1){
      //could be done with regex instead...
      after=out.substring(0,out.indexOf(n))
        +replaceList[n]
        +out.substring(out.indexOf(n)+1,out.length);
      out=after;
    }
  }
  return out;
}
