function printStackTrace(options){var ex=(options&&options.e)?options.e:null;var guess=(options&&options.guess)?options.guess:false;var p=new printStackTrace.implementation();var result=p.run(ex);return(guess)?p.guessFunctions(result):result}printStackTrace.implementation=function(){};printStackTrace.implementation.prototype={run:function(ex){var mode=this._mode||this.mode();if(mode==='other'){return this.other(arguments.callee)}else{ex=ex||(function(){try{(0)()}catch(e){return e}})();return this[mode](ex)}},mode:function(){try{(0)()}catch(e){if(e.arguments){return(this._mode='chrome')}if(e.stack){return(this._mode='firefox')}if(window.opera&&!('stacktrace'in e)){return(this._mode='opera')}}return(this._mode='other')},chrome:function(e){return e.stack.replace(/^.*?\n/,'').replace(/^.*?\n/,'').replace(/^.*?\n/,'').replace(/^[^\(]+?[\n$]/gm,'').replace(/^\s+at\s+/gm,'').replace(/^Object.<anonymous>\s*\(/gm,'{anonymous}()@').split("\n")},firefox:function(e){return e.stack.replace(/^.*?\n/,'').replace(/(?:\n@:0)?\s+$/m,'').replace(/^\(/gm,'{anonymous}(').split("\n")},opera:function(e){var lines=e.message.split("\n"),ANON='{anonymous}',lineRE=/Line\s+(\d+).*?script\s+(http\S+)(?:.*?in\s+function\s+(\S+))?/i,i,j,len;for(i=4,j=0,len=lines.length;i<len;i+=2){if(lineRE.test(lines[i])){lines[j++]=(RegExp.$3?RegExp.$3+'()@'+RegExp.$2+RegExp.$1:ANON+'()@'+RegExp.$2+':'+RegExp.$1)+' -- '+lines[i+1].replace(/^\s+/,'')}}lines.splice(j,lines.length-j);return lines},other:function(curr){var ANON="{anonymous}",fnRE=/function\s*([\w\-$]+)?\s*\(/i,stack=[],j=0,fn,args;var maxStackSize=10;while(curr&&stack.length<maxStackSize){fn=fnRE.test(curr.toString())?RegExp.$1||ANON:ANON;args=Array.prototype.slice.call(curr['arguments']);stack[j++]=fn+'('+printStackTrace.implementation.prototype.stringifyArguments(args)+')';if(curr===curr.caller&&window.opera){break}curr=curr.caller}return stack},stringifyArguments:function(args){for(var i=0;i<args.length;++i){var argument=args[i];if(typeof argument=='object'){args[i]='#object'}else if(typeof argument=='function'){args[i]='#function'}else if(typeof argument=='string'){args[i]='"'+argument+'"'}}return args.join(',')},sourceCache:{},ajax:function(url){var req=this.createXMLHTTPObject();if(!req){return}req.open('GET',url,false);req.setRequestHeader("User-Agent","XMLHTTP/1.0");req.send('');return req.responseText},createXMLHTTPObject:function(){var xmlhttp,XMLHttpFactories=[function(){return new XMLHttpRequest()},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml3.XMLHTTP")},function(){return new ActiveXObject("Microsoft.XMLHTTP")}];for(var i=0;i<XMLHttpFactories.length;i++){try{xmlhttp=XMLHttpFactories[i]();this.createXMLHTTPObject=XMLHttpFactories[i];return xmlhttp}catch(e){}}},getSource:function(url){if(!(url in this.sourceCache)){this.sourceCache[url]=this.ajax(url).split("\n")}return this.sourceCache[url]},guessFunctions:function(stack){for(var i=0;i<stack.length;++i){var reStack=/{anonymous}\(.*\)@(\w+:\/\/([-\w\.]+)+(:\d+)?[^:]+):(\d+):?(\d+)?/;var frame=stack[i],m=reStack.exec(frame);if(m){var file=m[1],lineno=m[4];if(file&&lineno){var functionName=this.guessFunctionName(file,lineno);stack[i]=frame.replace('{anonymous}',functionName)}}}return stack},guessFunctionName:function(url,lineNo){try{return this.guessFunctionNameFromLines(lineNo,this.getSource(url))}catch(e){return'getSource failed with url: '+url+', exception: '+e.toString()}},guessFunctionNameFromLines:function(lineNo,source){var reFunctionArgNames=/function ([^(]*)\(([^)]*)\)/;var reGuessFunction=/['"]?([0-9A-Za-z_]+)['"]?\s*[:=]\s*(function|eval|new Function)/;var line="",maxLines=10;for(var i=0;i<maxLines;++i){line=source[lineNo-i]+line;if(line!==undefined){var m=reGuessFunction.exec(line);if(m){return m[1]}else{m=reFunctionArgNames.exec(line)}if(m&&m[1]){return m[1]}}}return"(?)"}};