function Directories()
         {
         directory = document.location.pathname;
                  
         directories = new Array();
                           
         do {//Creates an array with all the parent folders
             //of the file where this function is called.
            last_slash = directory.lastIndexOf('/');
         
            if(last_slash != false)
              {              
              directory = directory.substr(0, last_slash);                             
              directories[directories.length] = directory;                            
              }
                                                         
            } while(last_slash != false);
         
         return(directories);
         }
         
//Uses the Directories() function to create the links.
function navigation_links()
         {
         directories = new Directories();
         
         links = '<a href="/">Home</a>&nbsp;&nbsp;';                  
         
         for(index = directories.length - 1; index >= 0; index--)
            {
            //Handling the display is a little harder than the links themselves.
            
            dir_name = directories[index];
            
            dir_name = dir_name.substr(dir_name.lastIndexOf('/') + 1, dir_name.strlen);                                                                        
                        
            links += '<a href="' + directories[index] + '">' + dir_name + '</a>&nbsp;&nbsp;';
            }
         
         document.write(links);         
         }