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}switch(this.options.link){case"cancel":this.cancel();return true;case"chain":this.chain(this.caller.bind(this,arguments));return false;}return false;},send:function(k){if(!this.check(k)){return this; }this.running=true;var i=$type(k);if(i=="string"||i=="element"){k={data:k};}var d=this.options;k=$extend({data:d.data,url:d.url,method:d.method},k);var g=k.data,b=k.url,a=k.method.tolowercase(); switch($type(g)){case"element":g=document.id(g).toquerystring();break;case"object":case"hash":g=hash.toquerystring(g);}if(this.options.format){var j="format="+this.options.format; g=(g)?j+"&"+g:j;}if(this.options.emulation&&!["get","post"].contains(a)){var h="_method="+a;g=(g)?h+"&"+g:h;a="post";}if(this.options.urlencoded&&a=="post"){var c=(this.options.encoding)?"; charset="+this.options.encoding:""; this.headers.set("content-type","application/x-www-form-urlencoded"+c);}if(this.options.nocache){var f="nocache="+new date().gettime();g=(g)?f+"&"+g:f; }var e=b.lastindexof("/");if(e>-1&&(e=b.indexof("#"))>-1){b=b.substr(0,e);}if(g&&a=="get"){b=b+(b.contains("?")?"&":"?")+g;g=null;}this.xhr.open(a.touppercase(),b,this.options.async); this.xhr.onreadystatechange=this.onstatechange.bind(this);this.headers.each(function(m,l){try{this.xhr.setrequestheader(l,m);}catch(n){this.fireevent("exception",[l,m]); }},this);this.fireevent("request");this.xhr.send(g);if(!this.options.async){this.onstatechange();}return this;},cancel:function(){if(!this.running){return this; }this.running=false;this.xhr.abort();this.xhr.onreadystatechange=$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}));};});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,append:false,evalscripts:true,filter:false},processhtml:function(c){var b=c.match(/]*>([\s\s]*?)<\/body>/i); c=(b)?b[1]:c;var a=new element("div");return $try(function(){var d=""+c+"",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];if(!d){return null;}for(var f=0,e=d.childnodes.length; f