(function(){var toString=function(){return this.get("value")};var URI=this.URI=new Class({Implements:Options,options:{},regex:/^(?:(\w+):)?(?:\/\/(?:(?:([^:@\/]*):?([^:@\/]*))?@)?([^:\/?#]*)(?::(\d*))?)?(\.\.?$|(?:[^?#\/]*\/)*)([^?#]*)(?:\?([^#]*))?(?:#(.*))?/,parts:["scheme","user","password","host","port","directory","file","query","fragment"],schemes:{http:80,https:443,ftp:21,rtsp:554,mms:1755,file:0},initialize:function(uri,options){this.setOptions(options);var base=this.options.base||URI.base;if(!uri){uri=base}if(uri&&uri.parsed){this.parsed=Object.clone(uri.parsed)}else{this.set("value",uri.href||uri.toString(),base?new URI(base):false)}},parse:function(value,base){var bits=value.match(this.regex);if(!bits){return false}bits.shift();return this.merge(bits.associate(this.parts),base)},merge:function(bits,base){if((!bits||!bits.scheme)&&(!base||!base.scheme)){return false}if(base){this.parts.every(function(part){if(bits[part]){return false}bits[part]=base[part]||"";return true})}bits.port=bits.port||this.schemes[bits.scheme.toLowerCase()];bits.directory=bits.directory?this.parseDirectory(bits.directory,base?base.directory:""):"/";return bits},parseDirectory:function(directory,baseDirectory){directory=(directory.substr(0,1)=="/"?"":(baseDirectory||"/"))+directory;if(!directory.test(URI.regs.directoryDot)){return directory}var result=[];directory.replace(URI.regs.endSlash,"").split("/").each(function(dir){if(dir==".."&&result.length>0){result.pop()}else{if(dir!="."){result.push(dir)}}});return result.join("/")+"/"},combine:function(bits){return bits.value||bits.scheme+"://"+(bits.user?bits.user+(bits.password?":"+bits.password:"")+"@":"")+(bits.host||"")+(bits.port&&bits.port!=this.schemes[bits.scheme]?":"+bits.port:"")+(bits.directory||"/")+(bits.file||"")+(bits.query?"?"+bits.query:"")+(bits.fragment?"#"+bits.fragment:"")},set:function(part,value,base){if(part=="value"){var scheme=value.match(URI.regs.scheme);if(scheme){scheme=scheme[1]}if(scheme&&this.schemes[scheme.toLowerCase()]==null){this.parsed={scheme:scheme,value:value}}else{this.parsed=this.parse(value,(base||this).parsed)||(scheme?{scheme:scheme,value:value}:{value:value})}}else{if(part=="data"){this.setData(value)}else{this.parsed[part]=value}}return this},get:function(part,base){switch(part){case"value":return this.combine(this.parsed,base?base.parsed:false);case"data":return this.getData()}return this.parsed[part]||""},go:function(){document.location.href=this.toString()},toURI:function(){return this},getData:function(key,part){var qs=this.get(part||"query");if(!(qs||qs===0)){return key?null:{}}var obj=qs.parseQueryString();return key?obj[key]:obj},setData:function(values,merge,part){if(typeof values=="string"){var data=this.getData();data[arguments[0]]=arguments[1];values=data}else{if(merge){values=Object.merge(this.getData(),values)}}return this.set(part||"query",Object.toQueryString(values))},clearData:function(part){return this.set(part||"query","")},toString:toString,valueOf:toString});URI.regs={endSlash:/\/$/,scheme:/^(\w+):/,directoryDot:/\.\/|\.$/};URI.base=new URI(Array.from(document.getElements("base[href]",true)).getLast(),{base:document.location});String.implement({toURI:function(options){return new URI(this,options)}})})();