(function($,undef){var global=this;global.FS=global.FS||{};global.FS.PostMessage=function(){var _is_child=false,_postman=new NoJQueryPostMessageMixin("postMessage","receiveMessage"),_callbacks={},_base_url,_parent_url=decodeURIComponent(document.location.hash.replace(/^#/,"")),_parent_subdomain=_parent_url.substring(0,_parent_url.indexOf("/","https://"===_parent_url.substring(0,"https://".length)?8:7)),_init=function(){_postman.receiveMessage(function(e){var data=JSON.parse(e.data);if(_callbacks[data.type]){for(var i=0;i<_callbacks[data.type].length;i++){_callbacks[data.type][i](data.data)}}},_base_url)},_hasParent=""!==_parent_url,$window=$(window),$html=$("html");return{init:function(url,iframes){_base_url=url;_init();FS.PostMessage.receiveOnce("forward",function(data){window.location=data.url});iframes=iframes||[];if(iframes.length>0){$window.on("scroll",function(){for(var i=0;i<iframes.length;i++){FS.PostMessage.postScroll(iframes[i])}})}},init_child:function(){this.init(_parent_subdomain);_is_child=true;$(window).bind("load",function(){FS.PostMessage.postHeight();FS.PostMessage.post("loaded")})},hasParent:function(){return _hasParent},postHeight:function(diff,wrapper){diff=diff||0;wrapper=wrapper||"#wrap_section";this.post("height",{height:diff+$(wrapper).outerHeight(true)})},postScroll:function(iframe){this.post("scroll",{top:$window.scrollTop(),height:$window.height()-parseFloat($html.css("paddingTop"))-parseFloat($html.css("marginTop"))},iframe)},post:function(type,data,iframe){console.debug("PostMessage.post",type);if(iframe){_postman.postMessage(JSON.stringify({type:type,data:data}),iframe.src,iframe.contentWindow)}else{_postman.postMessage(JSON.stringify({type:type,data:data}),_parent_url,window.parent)}},receive:function(type,callback){console.debug("PostMessage.receive",type);if(undef===_callbacks[type])_callbacks[type]=[];_callbacks[type].push(callback)},receiveOnce:function(type,callback){if(this.is_set(type))return;this.receive(type,callback)},is_set:function(type){return undef!=_callbacks[type]},parent_url:function(){return _parent_url},parent_subdomain:function(){return _parent_subdomain}}}()})(jQuery);