diff --git a/bower.json b/bower.json
new file mode 100644
index 0000000..7fe1237
--- /dev/null
+++ b/bower.json
@@ -0,0 +1,12 @@
+{
+  "name": "jquery-postmessage",
+  "version": "1.0.0",
+  "main": "postmessage.js",
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "bower_components",
+    "test",
+    "tests"
+  ]
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..e811395
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+    "author": "daepark",
+    "name": "postmessage",
+    "version": "1.0.0",
+    "homepage": "http://http://postmessage.freebaseapps.com//",
+    "licenses": {
+    },
+    "bugs": "https://github.com/daepark/postmessage/issues",
+    "repository": {
+    "type": "git",
+        "url": "git@github.com:daepark/postmessage.git"
+},
+    "dependencies": {},
+    "devDependencies": {}
+}
diff --git a/postmessage.js b/postmessage.js
index 5ff7d52..e3dd9e9 100644
--- a/postmessage.js
+++ b/postmessage.js
@@ -24,413 +24,412 @@
 var NO_JQUERY = {};
 (function(window, $, undefined) {
 
-     if (!("console" in window)) {
-         var c = window.console = {};
-         c.log = c.warn = c.error = c.debug = function(){};
-     }
-
-     if ($ === NO_JQUERY) {
-         // jQuery is optional
-         $ = {
-             fn: {},
-             extend: function() {
-                 var a = arguments[0];
-                 for (var i=1,len=arguments.length; i<len; i++) {
-                     var b = arguments[i];
-                     for (var prop in b) {
-                         a[prop] = b[prop];
-                     }
-                 }
-                 return a;
-             }
-         };
-     }
-
-     $.fn.pm = function() {
-         console.log("usage: \nto send:    $.pm(options)\nto receive: $.pm.bind(type, fn, [origin])");
-         return this;
-     };
-
-     // send postmessage
-     $.pm = window.pm = function(options) {
-         pm.send(options);
-     };
-
-     // bind postmessage handler
-     $.pm.bind = window.pm.bind = function(type, fn, origin, hash, async_reply) {
-         pm.bind(type, fn, origin, hash, async_reply === true);
-     };
-
-     // unbind postmessage handler
-     $.pm.unbind = window.pm.unbind = function(type, fn) {
-         pm.unbind(type, fn);
-     };
-
-     // default postmessage origin on bind
-     $.pm.origin = window.pm.origin = null;
-
-     // default postmessage polling if using location hash to pass postmessages
-     $.pm.poll = window.pm.poll = 200;
-
-     var pm = {
-
-         send: function(options) {
-             var o = $.extend({}, pm.defaults, options),
-             target = o.target;
-             if (!o.target) {
-                 console.warn("postmessage target window required");
-                 return;
-             }
-             if (!o.type) {
-                 console.warn("postmessage type required");
-                 return;
-             }
-             var msg = {data:o.data, type:o.type};
-             if (o.success) {
-                 msg.callback = pm._callback(o.success);
-             }
-             if (o.error) {
-                 msg.errback = pm._callback(o.error);
-             }
-             if (("postMessage" in target) && !o.hash) {
-                 pm._bind();
-                 target.postMessage(JSON.stringify(msg), o.origin || '*');
-             }
-             else {
-                 pm.hash._bind();
-                 pm.hash.send(o, msg);
-             }
-         },
-
-         bind: function(type, fn, origin, hash, async_reply) {
-           pm._replyBind ( type, fn, origin, hash, async_reply );
-         },
-       
-         _replyBind: function(type, fn, origin, hash, isCallback) {
-           if (("postMessage" in window) && !hash) {
-               pm._bind();
-           }
-           else {
-               pm.hash._bind();
-           }
-           var l = pm.data("listeners.postmessage");
-           if (!l) {
-               l = {};
-               pm.data("listeners.postmessage", l);
-           }
-           var fns = l[type];
-           if (!fns) {
-               fns = [];
-               l[type] = fns;
-           }
-           fns.push({fn:fn, callback: isCallback, origin:origin || $.pm.origin});
-         },
-
-         unbind: function(type, fn) {
-             var l = pm.data("listeners.postmessage");
-             if (l) {
-                 if (type) {
-                     if (fn) {
-                         // remove specific listener
-                         var fns = l[type];
-                         if (fns) {
-                             var m = [];
-                             for (var i=0,len=fns.length; i<len; i++) {
-                                 var o = fns[i];
-                                 if (o.fn !== fn) {
-                                     m.push(o);
-                                 }
-                             }
-                             l[type] = m;
-                         }
-                     }
-                     else {
-                         // remove all listeners by type
-                         delete l[type];
-                     }
-                 }
-                 else {
-                     // unbind all listeners of all type
-                     for (var i in l) {
-                       delete l[i];
-                     }
-                 }
-             }
-         },
-
-         data: function(k, v) {
-             if (v === undefined) {
-                 return pm._data[k];
-             }
-             pm._data[k] = v;
-             return v;
-         },
-
-         _data: {},
-
-         _CHARS: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''),
-
-         _random: function() {
-             var r = [];
-             for (var i=0; i<32; i++) {
-                 r[i] = pm._CHARS[0 | Math.random() * 32];
-             };
-             return r.join("");
-         },
-
-         _callback: function(fn) {
-             var cbs = pm.data("callbacks.postmessage");
-             if (!cbs) {
-                 cbs = {};
-                 pm.data("callbacks.postmessage", cbs);
-             }
-             var r = pm._random();
-             cbs[r] = fn;
-             return r;
-         },
-
-         _bind: function() {
-             // are we already listening to message events on this w?
-             if (!pm.data("listening.postmessage")) {
-                 if (window.addEventListener) {
-                     window.addEventListener("message", pm._dispatch, false);
-                 }
-                 else if (window.attachEvent) {
-                     window.attachEvent("onmessage", pm._dispatch);
-                 }
-                 pm.data("listening.postmessage", 1);
-             }
-         },
-
-         _dispatch: function(e) {
-             //console.log("$.pm.dispatch", e, this);
-             try {
-                 var msg = JSON.parse(e.data);
-             }
-             catch (ex) {
-                 console.warn("postmessage data invalid json: ", ex);
-                 return;
-             }
-             if (!msg.type) {
-                 console.warn("postmessage message type required");
-                 return;
-             }
-             var cbs = pm.data("callbacks.postmessage") || {},
-             cb = cbs[msg.type];
-             if (cb) {
-                 cb(msg.data);
-             }
-             else {
-                 var l = pm.data("listeners.postmessage") || {};
-                 var fns = l[msg.type] || [];
-                 for (var i=0,len=fns.length; i<len; i++) {
-                     var o = fns[i];
-                     if (o.origin && o.origin !== '*' && e.origin !== o.origin) {
-                         console.warn("postmessage message origin mismatch", e.origin, o.origin);
-                         if (msg.errback) {
-                             // notify post message errback
-                             var error = {
-                                 message: "postmessage origin mismatch",
-                                 origin: [e.origin, o.origin]
-                             };
-                             pm.send({target:e.source, data:error, type:msg.errback});
-                         }
-                         continue;
-                     }
-
-                     function sendReply ( data ) {
-                       if (msg.callback) {
-                           pm.send({target:e.source, data:data, type:msg.callback});
-                       }
-                     }
-                     
-                     try {
-                         if ( o.callback ) {
-                           o.fn(msg.data, sendReply, e);
-                         } else {
-                           sendReply ( o.fn(msg.data, e) );
-                         }
-                     }
-                     catch (ex) {
-                         if (msg.errback) {
-                             // notify post message errback
-                             pm.send({target:e.source, data:ex, type:msg.errback});
-                         } else {
-                             throw ex;
-                         }
-                     }
-                 };
-             }
-         }
-     };
-
-     // location hash polling
-     pm.hash = {
-
-         send: function(options, msg) {
-             //console.log("hash.send", target_window, options, msg);
-             var target_window = options.target,
-             target_url = options.url;
-             if (!target_url) {
-                 console.warn("postmessage target window url is required");
-                 return;
-             }
-             target_url = pm.hash._url(target_url);
-             var source_window,
-             source_url = pm.hash._url(window.location.href);
-             if (window == target_window.parent) {
-                 source_window = "parent";
-             }
-             else {
-                 try {
-                     for (var i=0,len=parent.frames.length; i<len; i++) {
-                         var f = parent.frames[i];
-                         if (f == window) {
-                             source_window = i;
-                             break;
-                         }
-                     };
-                 }
-                 catch(ex) {
-                     // Opera: security error trying to access parent.frames x-origin
-                     // juse use window.name
-                     source_window = window.name;
-                 }
-             }
-             if (source_window == null) {
-                 console.warn("postmessage windows must be direct parent/child windows and the child must be available through the parent window.frames list");
-                 return;
-             }
-             var hashmessage = {
-                 "x-requested-with": "postmessage",
-                 source: {
-                     name: source_window,
-                     url: source_url
-                 },
-                 postmessage: msg
-             };
-             var hash_id = "#x-postmessage-id=" + pm._random();
-             target_window.location = target_url + hash_id + encodeURIComponent(JSON.stringify(hashmessage));
-         },
-
-         _regex: /^\#x\-postmessage\-id\=(\w{32})/,
-
-         _regex_len: "#x-postmessage-id=".length + 32,
-
-         _bind: function() {
-             // are we already listening to message events on this w?
-             if (!pm.data("polling.postmessage")) {
-                 setInterval(function() {
-                                 var hash = "" + window.location.hash,
-                                 m = pm.hash._regex.exec(hash);
-                                 if (m) {
-                                     var id = m[1];
-                                     if (pm.hash._last !== id) {
-                                         pm.hash._last = id;
-                                         pm.hash._dispatch(hash.substring(pm.hash._regex_len));
-                                     }
-                                 }
-                             }, $.pm.poll || 200);
-                 pm.data("polling.postmessage", 1);
-             }
-         },
-
-         _dispatch: function(hash) {
-             if (!hash) {
-                 return;
-             }
-             try {
-                 hash = JSON.parse(decodeURIComponent(hash));
-                 if (!(hash['x-requested-with'] === 'postmessage' &&
-                       hash.source && hash.source.name != null && hash.source.url && hash.postmessage)) {
-                     // ignore since hash could've come from somewhere else
-                     return;
-                 }
-             }
-             catch (ex) {
-                 // ignore since hash could've come from somewhere else
-                 return;
-             }
-             var msg = hash.postmessage,
-             cbs = pm.data("callbacks.postmessage") || {},
-             cb = cbs[msg.type];
-             if (cb) {
-                 cb(msg.data);
-             }
-             else {
-                 var source_window;
-                 if (hash.source.name === "parent") {
-                     source_window = window.parent;
-                 }
-                 else {
-                     source_window = window.frames[hash.source.name];
-                 }
-                 var l = pm.data("listeners.postmessage") || {};
-                 var fns = l[msg.type] || [];
-                 for (var i=0,len=fns.length; i<len; i++) {
-                     var o = fns[i];
-                     if (o.origin) {
-                         var origin = /https?\:\/\/[^\/]*/.exec(hash.source.url)[0];
-                         if (o.origin !== '*' && origin !== o.origin) {
-                             console.warn("postmessage message origin mismatch", origin, o.origin);
-                             if (msg.errback) {
-                                 // notify post message errback
-                                 var error = {
-                                     message: "postmessage origin mismatch",
-                                     origin: [origin, o.origin]
-                                 };
-                                 pm.send({target:source_window, data:error, type:msg.errback, hash:true, url:hash.source.url});
-                             }
-                             continue;
-                         }
-                     }
-
-                     function sendReply ( data ) {
-                       if (msg.callback) {
-                         pm.send({target:source_window, data:data, type:msg.callback, hash:true, url:hash.source.url});
-                       }
-                     }
-                     
-                     try {
-                         if ( o.callback ) {
-                           o.fn(msg.data, sendReply);
-                         } else {
-                           sendReply ( o.fn(msg.data) );
-                         }
-                     }
-                     catch (ex) {
-                         if (msg.errback) {
-                             // notify post message errback
-                             pm.send({target:source_window, data:ex, type:msg.errback, hash:true, url:hash.source.url});
-                         } else {
-                             throw ex;
-                         }
-                     }
-                 };
-             }
-         },
-
-         _url: function(url) {
-             // url minus hash part
-             return (""+url).replace(/#.*$/, "");
-         }
-
-     };
-
-     $.extend(pm, {
-                  defaults: {
-                      target: null,  /* target window (required) */
-                      url: null,     /* target window url (required if no window.postMessage or hash == true) */
-                      type: null,    /* message type (required) */
-                      data: null,    /* message data (required) */
-                      success: null, /* success callback (optional) */
-                      error: null,   /* error callback (optional) */
-                      origin: "*",   /* postmessage origin (optional) */
-                      hash: false    /* use location hash for message passing (optional) */
-                  }
-              });
-
- })(this, typeof jQuery === "undefined" ? NO_JQUERY : jQuery);
+    if (!("console" in window)) {
+        var c = window.console = {};
+        c.log = c.warn = c.error = c.debug = function(){};
+    }
+
+    if ($ === NO_JQUERY) {
+        // jQuery is optional
+        $ = {
+            fn: {},
+            extend: function() {
+                var a = arguments[0];
+                for (var i=1,len=arguments.length; i<len; i++) {
+                    var b = arguments[i];
+                    for (var prop in b) {
+                        a[prop] = b[prop];
+                    }
+                }
+                return a;
+            }
+        };
+    }
+
+    $.fn.pm = function() {
+        console.log("usage: \nto send:    $.pm(options)\nto receive: $.pm.bind(type, fn, [origin])");
+        return this;
+    };
+
+    // send postmessage
+    $.pm = window.pm = function(options) {
+        pm.send(options);
+    };
+
+    // bind postmessage handler
+    $.pm.bind = window.pm.bind = function(type, fn, origin, hash, async_reply) {
+        pm.bind(type, fn, origin, hash, async_reply === true);
+    };
+
+    // unbind postmessage handler
+    $.pm.unbind = window.pm.unbind = function(type, fn) {
+        pm.unbind(type, fn);
+    };
+
+    // default postmessage origin on bind
+    $.pm.origin = window.pm.origin = null;
+
+    // default postmessage polling if using location hash to pass postmessages
+    $.pm.poll = window.pm.poll = 200;
+
+    var pm = {
+
+        send: function(options) {
+            var o = $.extend({}, pm.defaults, options),
+                target = o.target;
+            if (!o.target) {
+                console.warn("postmessage target window required");
+                return;
+            }
+            if (!o.type) {
+                console.warn("postmessage type required");
+                return;
+            }
+            var msg = {data:o.data, type:o.type};
+            if (o.success) {
+                msg.callback = pm._callback(o.success);
+            }
+            if (o.error) {
+                msg.errback = pm._callback(o.error);
+            }
+            if (("postMessage" in target) && !o.hash) {
+                pm._bind();
+                target.postMessage(JSON.stringify(msg), o.origin || '*');
+            }
+            else {
+                pm.hash._bind();
+                pm.hash.send(o, msg);
+            }
+        },
+
+        bind: function(type, fn, origin, hash, async_reply) {
+            pm._replyBind ( type, fn, origin, hash, async_reply );
+        },
+
+        _replyBind: function(type, fn, origin, hash, isCallback) {
+            if (("postMessage" in window) && !hash) {
+                pm._bind();
+            }
+            else {
+                pm.hash._bind();
+            }
+            var l = pm.data("listeners.postmessage");
+            if (!l) {
+                l = {};
+                pm.data("listeners.postmessage", l);
+            }
+            var fns = l[type];
+            if (!fns) {
+                fns = [];
+                l[type] = fns;
+            }
+            fns.push({fn:fn, callback: isCallback, origin:origin || $.pm.origin});
+        },
+
+        unbind: function(type, fn) {
+            var l = pm.data("listeners.postmessage");
+            if (l) {
+                if (type) {
+                    if (fn) {
+                        // remove specific listener
+                        var fns = l[type];
+                        if (fns) {
+                            var m = [];
+                            for (var i=0,len=fns.length; i<len; i++) {
+                                var o = fns[i];
+                                if (o.fn !== fn) {
+                                    m.push(o);
+                                }
+                            }
+                            l[type] = m;
+                        }
+                    }
+                    else {
+                        // remove all listeners by type
+                        delete l[type];
+                    }
+                }
+                else {
+                    // unbind all listeners of all type
+                    for (var j in l) {
+                        delete l[j];
+                    }
+                }
+            }
+        },
+
+        data: function(k, v) {
+            if (v === undefined) {
+                return pm._data[k];
+            }
+            pm._data[k] = v;
+            return v;
+        },
+
+        _data: {},
+
+        _CHARS: '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(''),
+
+        _random: function() {
+            var r = [];
+            for (var i=0; i<32; i++) {
+                r[i] = pm._CHARS[0 | Math.random() * 32];
+            }
+            return r.join("");
+        },
+
+        _callback: function(fn) {
+            var cbs = pm.data("callbacks.postmessage");
+            if (!cbs) {
+                cbs = {};
+                pm.data("callbacks.postmessage", cbs);
+            }
+            var r = pm._random();
+            cbs[r] = fn;
+            return r;
+        },
+
+        _bind: function() {
+            // are we already listening to message events on this w?
+            if (!pm.data("listening.postmessage")) {
+                if (window.addEventListener) {
+                    window.addEventListener("message", pm._dispatch, false);
+                }
+                else if (window.attachEvent) {
+                    window.attachEvent("onmessage", pm._dispatch);
+                }
+                pm.data("listening.postmessage", 1);
+            }
+        },
+
+        _dispatch: function(e) {
+            //console.log("$.pm.dispatch", e, this);
+            var msg;
+            try {
+                msg = JSON.parse(e.data);
+            }
+            catch (ex) {
+                console.warn("postmessage data invalid json: ", ex);
+                return;
+            }
+            if (!msg.type) {
+                console.warn("postmessage message type required");
+                return;
+            }
+            var cbs = pm.data("callbacks.postmessage") || {},
+                cb = cbs[msg.type];
+            if (cb) {
+                cb(msg.data);
+            }
+            else {
+                var sendReply = function( data ) {
+                    if (msg.callback) {
+                        pm.send({target:e.source, data:data, type:msg.callback});
+                    }
+                };
+                var l = pm.data("listeners.postmessage") || {};
+                var fns = l[msg.type] || [];
+                for (var i=0,len=fns.length; i<len; i++) {
+                    var o = fns[i];
+                    if (o.origin && o.origin !== '*' && e.origin !== o.origin) {
+                        console.warn("postmessage message origin mismatch", e.origin, o.origin);
+                        if (msg.errback) {
+                            // notify post message errback
+                            var error = {
+                                message: "postmessage origin mismatch",
+                                origin: [e.origin, o.origin]
+                            };
+                            pm.send({target:e.source, data:error, type:msg.errback});
+                        }
+                        continue;
+                    }
+
+                    try {
+                        if ( o.callback ) {
+                            o.fn(msg.data, sendReply, e);
+                        } else {
+                            sendReply ( o.fn(msg.data, e) );
+                        }
+                    }
+                    catch (ex) {
+                        if (msg.errback) {
+                            // notify post message errback
+                            pm.send({target:e.source, data:ex, type:msg.errback});
+                        } else {
+                            throw ex;
+                        }
+                    }
+                }
+            }
+        }
+    };
+
+    // location hash polling
+    pm.hash = {
+
+        send: function(options, msg) {
+            //console.log("hash.send", target_window, options, msg);
+            var target_window = options.target,
+                target_url = options.url;
+            if (!target_url) {
+                console.warn("postmessage target window url is required");
+                return;
+            }
+            target_url = pm.hash._url(target_url);
+            var source_window,
+                source_url = pm.hash._url(window.location.href);
+            if (window == target_window.parent) {
+                source_window = "parent";
+            }
+            else {
+                try {
+                    for (var i=0,len=parent.frames.length; i<len; i++) {
+                        var f = parent.frames[i];
+                        if (f == window) {
+                            source_window = i;
+                            break;
+                        }
+                    }
+                }
+                catch(ex) {
+                    // Opera: security error trying to access parent.frames x-origin
+                    // juse use window.name
+                    source_window = window.name;
+                }
+            }
+            if (source_window == null) {
+                console.warn("postmessage windows must be direct parent/child windows and the child must be available through the parent window.frames list");
+                return;
+            }
+            var hashmessage = {
+                "x-requested-with": "postmessage",
+                source: {
+                    name: source_window,
+                    url: source_url
+                },
+                postmessage: msg
+            };
+            var hash_id = "#x-postmessage-id=" + pm._random();
+            target_window.location = target_url + hash_id + encodeURIComponent(JSON.stringify(hashmessage));
+        },
+
+        _regex: /^\#x\-postmessage\-id\=(\w{32})/,
+
+        _regex_len: "#x-postmessage-id=".length + 32,
+
+        _bind: function() {
+            // are we already listening to message events on this w?
+            if (!pm.data("polling.postmessage")) {
+                setInterval(function() {
+                    var hash = "" + window.location.hash,
+                        m = pm.hash._regex.exec(hash);
+                    if (m) {
+                        var id = m[1];
+                        if (pm.hash._last !== id) {
+                            pm.hash._last = id;
+                            pm.hash._dispatch(hash.substring(pm.hash._regex_len));
+                        }
+                    }
+                }, $.pm.poll || 200);
+                pm.data("polling.postmessage", 1);
+            }
+        },
+
+        _dispatch: function(hash) {
+            if (!hash) {
+                return;
+            }
+            try {
+                hash = JSON.parse(decodeURIComponent(hash));
+                if (!(hash['x-requested-with'] === 'postmessage' &&
+                    hash.source && hash.source.name != null && hash.source.url && hash.postmessage)) {
+                    // ignore since hash could've come from somewhere else
+                    return;
+                }
+            }
+            catch (ex) {
+                // ignore since hash could've come from somewhere else
+                return;
+            }
+            var msg = hash.postmessage,
+                cbs = pm.data("callbacks.postmessage") || {},
+                cb = cbs[msg.type];
+            if (cb) {
+                cb(msg.data);
+            }
+            else {
+                var source_window;
+                if (hash.source.name === "parent") {
+                    source_window = window.parent;
+                }
+                else {
+                    source_window = window.frames[hash.source.name];
+                }
+                var sendReply = function( data ) {
+                    if (msg.callback) {
+                        pm.send({target:source_window, data:data, type:msg.callback, hash:true, url:hash.source.url});
+                    }
+                };
+                var l = pm.data("listeners.postmessage") || {};
+                var fns = l[msg.type] || [];
+                for (var i=0,len=fns.length; i<len; i++) {
+                    var o = fns[i];
+                    if (o.origin) {
+                        var origin = /https?\:\/\/[^\/]*/.exec(hash.source.url)[0];
+                        if (o.origin !== '*' && origin !== o.origin) {
+                            console.warn("postmessage message origin mismatch", origin, o.origin);
+                            if (msg.errback) {
+                                // notify post message errback
+                                var error = {
+                                    message: "postmessage origin mismatch",
+                                    origin: [origin, o.origin]
+                                };
+                                pm.send({target:source_window, data:error, type:msg.errback, hash:true, url:hash.source.url});
+                            }
+                            continue;
+                        }
+                    }
+
+                    try {
+                        if ( o.callback ) {
+                            o.fn(msg.data, sendReply);
+                        } else {
+                            sendReply ( o.fn(msg.data) );
+                        }
+                    }
+                    catch (ex) {
+                        if (msg.errback) {
+                            // notify post message errback
+                            pm.send({target:source_window, data:ex, type:msg.errback, hash:true, url:hash.source.url});
+                        } else {
+                            throw ex;
+                        }
+                    }
+                }
+            }
+        },
+
+        _url: function(url) {
+            // url minus hash part
+            return (""+url).replace(/#.*$/, "");
+        }
+
+    };
+
+    $.extend(pm, {
+        defaults: {
+            target: null,  /* target window (required) */
+            url: null,     /* target window url (required if no window.postMessage or hash == true) */
+            type: null,    /* message type (required) */
+            data: null,    /* message data (required) */
+            success: null, /* success callback (optional) */
+            error: null,   /* error callback (optional) */
+            origin: "*",   /* postmessage origin (optional) */
+            hash: false    /* use location hash for message passing (optional) */
+        }
+    });
+
+})(this, typeof jQuery === "undefined" ? NO_JQUERY : jQuery);
 
 /**
  * http://www.JSON.org/json2.js