var History = { __altered: false, __currentHash: null, __previousHash: null, __iframe: false, __title: false, init: function() { var hash = location.hash.substring(1); this.hash = $H(hash.toQueryParams()); this.__currentHash = hash; this.__previousHash = hash; this.__title = document.title; }, set: function($name, $value) { this.__previousHash = this.hash.toQueryString(); this.hash.set($name, $value); this.apply(); }, get: function($name) { return this.hash.get($name); }, unset: function($name) { this.hash.unset($name); this.apply(); }, update: function() { this.__previousHash = this.hash.toQueryString(); var hash = window.location.hash.substring(1); this.hash = $H(hash.toQueryParams()); this.__currentHash = hash; }, apply: function() { var newHash = this.hash.toQueryString(); var path = window.location.href.replace(/#.*/g, ''); window.location.replace(path +'#'+ newHash); }, /** * @desc Return true if current hash is different of previous hash. * this.__altered allows to force the dispatch. */ isAltered: function() { if(this.__altered == true) { return true; } this.__altered = false; return (History.__currentHash != History.__previousHash); }, /** * @use For IE compatibility * @desc Set hash value on iframe */ setHashOnIframe: function(hash) { try { var doc = History.__iframe.contentWindow.document; doc.open(); doc.write('' + hash + ''); doc.close(); } catch(e) {} }, /** * @use For IE compatibility * @desc Get hash value on iframe */ getHashOnIframe: function() { var doc = this.__iframe.contentWindow.document; if (doc && doc.body.id == 'history') { return doc.body.innerText; } else { return this.hash.toQueryString(); } }, setTitle: function(title) { if(document.title) { document.title = title; } }, getTitle: function() { return this.__title; } }; History.init();