For those times when you need to imitate query parameters with hashes

hashes.js

/**
 *
 * When you need to use the hash to imitate query parameters,
 * like so:
 *
 * http://whatever.man/#key=value&another_key=another_value
 *
 **/

// Set URL to a specific hash. It overrides any existing hash.
set_hash: function(hash_object) {
  if(hash_object) {
    var new_hash = '';
    for (var key in hash_object) {
      new_hash += key + '=' + hash_object[key] + '&';
    }
    window.location.hash = new_hash.slice(0, -1);
  }
}

// Returns hash parts in an easy to use object
get_hash_parts: function() {
  var hashes = window.location.hash.slice(window.location.hash.indexOf('#') + 1).split('&');
  var hash_object = {}
  for(var i = 0; i < hashes.length; i++) {
    hash = hashes[i].split('=');
    if(hash[0] && hash[1]) {
      hash_object[hash[0]] = hash[1];
    }
  }
  return hash_object;
}

// To add a key
var hash_object = get_hash_parts();
hash_object['new_key'] = 'new_value';
set_hash(hash_object);

// To remove a key
var hash_object = get_hash_parts();
delete hash_object.old_key;
set_hash(hash_object);