//MooTools, <http://mootools.net>, My Object Oriented (JavaScript) Tools. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

var Request=new Class({Implements:[Chain,Events,Options],options:{url:"",data:"",headers:{"X-Requested-With":"XMLHttpRequest",Accept:"text/javascript, text/html, application/xml, text/xml, */*"},async:true,format:false,method:"post",link:"ignore",isSuccess:null,emulation:true,urlEncoded:true,encoding:"utf-8",evalScripts:false,evalResponse:false},initialize:function(A){this.xhr=new Browser.Request();
this.setOptions(A);this.options.isSuccess=this.options.isSuccess||this.isSuccess;this.headers=new Hash(this.options.headers);},onStateChange:function(){if(this.xhr.readyState!=4||!this.running){return ;
}this.running=false;this.status=0;$try(function(){this.status=this.xhr.status;}.bind(this));if(this.options.isSuccess.call(this,this.status)){this.response={text:this.xhr.responseText,xml:this.xhr.responseXML};
this.success(this.response.text,this.response.xml);}else{this.response={text:null,xml:null};this.failure();}this.xhr.onreadystatechange=$empty;},isSuccess:function(){return((this.status>=200)&&(this.status<300));
},processScripts:function(A){if(this.options.evalResponse||(/(ecma|java)script/).test(this.getHeader("Content-type"))){return $exec(A);}return A.stripScripts(this.options.evalScripts);
},success:function(B,A){this.onSuccess(this.processScripts(B),A);},onSuccess:function(){this.fireEvent("complete",arguments).fireEvent("success",arguments).callChain();
},failure:function(){this.onFailure();},onFailure:function(){this.fireEvent("complete").fireEvent("failure",this.xhr);},setHeader:function(A,B){this.headers.set(A,B);
return this;},getHeader:function(A){return $try(function(){return this.xhr.getResponseHeader(A);}.bind(this));},check:function(A){if(!this.running){return true;
}switch(this.options.link){case"cancel":this.cancel();return true;case"chain":this.chain(A.bind(this,Array.slice(arguments,1)));return false;}return false;
},send:function(I){if(!this.check(arguments.callee,I)){return this;}this.running=true;var G=$type(I);if(G=="string"||G=="element"){I={data:I};}var D=this.options;
I=$extend({data:D.data,url:D.url,method:D.method},I);var E=I.data,B=I.url,A=I.method;switch($type(E)){case"element":E=$(E).toQueryString();break;case"object":case"hash":E=Hash.toQueryString(E);
}if(this.options.format){var H="format="+this.options.format;E=(E)?H+"&"+E:H;}if(this.options.emulation&&["put","delete"].contains(A)){var F="_method="+A;
E=(E)?F+"&"+E:F;A="post";}if(this.options.urlEncoded&&A=="post"){var C=(this.options.encoding)?"; charset="+this.options.encoding:"";this.headers.set("Content-type","application/x-www-form-urlencoded"+C);
}if(E&&A=="get"){B=B+(B.contains("?")?"&":"?")+E;E=null;}this.xhr.open(A.toUpperCase(),B,this.options.async);this.xhr.onreadystatechange=this.onStateChange.bind(this);
this.headers.each(function(K,J){try{this.xhr.setRequestHeader(J,K);}catch(L){this.fireEvent("exception",[J,K]);}},this);this.fireEvent("request");this.xhr.send(E);
if(!this.options.async){this.onStateChange();}return this;},cancel:function(){if(!this.running){return this;}this.running=false;this.xhr.abort();this.xhr.onreadystatechange=$empty;
this.xhr=new Browser.Request();this.fireEvent("cancel");return this;}});(function(){var A={};["get","post","put","delete","GET","POST","PUT","DELETE"].each(function(B){A[B]=function(){var C=Array.link(arguments,{url:String.type,data:$defined});
return this.send($extend(C,{method:B.toLowerCase()}));};});Request.implement(A);})();Element.Properties.send={set:function(A){var B=this.retrieve("send");
if(B){B.cancel();}return this.eliminate("send").store("send:options",$extend({data:this,link:"cancel",method:this.get("method")||"post",url:this.get("action")},A));
},get:function(A){if(A||!this.retrieve("send")){if(A||!this.retrieve("send:options")){this.set("send",A);}this.store("send",new Request(this.retrieve("send:options")));
}return this.retrieve("send");}};Element.implement({send:function(A){var B=this.get("send");B.send({data:this,url:A||B.options.url});return this;}});Request.HTML=new Class({Extends:Request,options:{update:false,evalScripts:true,filter:false},processHTML:function(C){var B=C.match(/<body[^>]*>([\s\S]*?)<\/body>/i);
C=(B)?B[1]:C;var A=new Element("div");return $try(function(){var D="<root>"+C+"</root>",G;if(Browser.Engine.trident){G=new ActiveXObject("Microsoft.XMLDOM");
G.async=false;G.loadXML(D);}else{G=new DOMParser().parseFromString(D,"text/xml");}D=G.getElementsByTagName("root")[0];for(var F=0,E=D.childNodes.length;
F<E;F++){var H=Element.clone(D.childNodes[F],true,true);if(H){A.grab(H);}}return A;})||A.set("html",C);},success:function(D){var C=this.options,B=this.response;
B.html=D.stripScripts(function(E){B.javascript=E;});var A=this.processHTML(B.html);B.tree=A.childNodes;B.elements=A.getElements("*");if(C.filter){B.tree=B.elements.filter(C.filter);
}if(C.update){$(C.update).empty().set("html",B.html);}if(C.evalScripts){$exec(B.javascript);}this.onSuccess(B.tree,B.elements,B.html,B.javascript);}});
Element.Properties.load={set:function(A){var B=this.retrieve("load");if(B){B.cancel();}return this.eliminate("load").store("load:options",$extend({data:this,link:"cancel",update:this,method:"get"},A));
},get:function(A){if(A||!this.retrieve("load")){if(A||!this.retrieve("load:options")){this.set("load",A);}this.store("load",new Request.HTML(this.retrieve("load:options")));
}return this.retrieve("load");}};Element.implement({load:function(){this.get("load").send(Array.link(arguments,{data:Object.type,url:String.type}));return this;
}});