(function(global){var SETTIMEOUT=global.setTimeout,doc=global.document,callback_counter=0;global.jXHR=function(){var script_url,script_loaded,jsonp_callback,scriptElem,publicAPI=null;function removeScript(){try{scriptElem.parentNode.removeChild(scriptElem);}catch(err){}}
function reset(){script_loaded=false;script_url="";removeScript();scriptElem=null;fireReadyStateChange(0);}
function ThrowError(msg){try{publicAPI.onerror.call(publicAPI,msg,script_url);}catch(err){throw new Error(msg);}}
function handleScriptLoad(){if((this.readyState&&this.readyState!=="complete"&&this.readyState!=="loaded")||script_loaded){return;}
this.onload=this.onreadystatechange=null;script_loaded=true;if(publicAPI.readyState!==4)ThrowError("Script failed to load ["+script_url+"].");removeScript();}
function fireReadyStateChange(rs,args){args=args||[];publicAPI.readyState=rs;if(typeof publicAPI.onreadystatechange==="function")publicAPI.onreadystatechange.apply(publicAPI,args);}
publicAPI={onerror:null,onreadystatechange:null,readyState:0,open:function(method,url){reset();internal_callback="cb"+(callback_counter++);(function(icb){global.jXHR[icb]=function(){try{fireReadyStateChange.call(publicAPI,4,arguments);}
catch(err){publicAPI.readyState=-1;ThrowError("Script failed to run ["+script_url+"].");}
global.jXHR[icb]=null;};})(internal_callback);script_url=url.replace(/=\?/g,"=jXHR."+internal_callback);fireReadyStateChange(1);},send:function(){SETTIMEOUT(function(){scriptElem=doc.createElement("script");scriptElem.setAttribute("type","text/javascript");scriptElem.onload=scriptElem.onreadystatechange=function(){handleScriptLoad.call(scriptElem);};scriptElem.setAttribute("src",script_url);doc.getElementsByTagName("head")[0].appendChild(scriptElem);},0);fireReadyStateChange(2);},setRequestHeader:function(){},getResponseHeader:function(){return"";},getAllResponseHeaders:function(){return[];}};reset();return publicAPI;};})(window);