function QueryString(){this.arg=new Array;this.status=false;this.clear=Clear;this.get=Get;this.getAll=GetAll;this.getStatus=GetStatus;this.read=Read;this.set=Set;this.write=Write;function Clear(){this.arg=new Array}function Get(sName){return this.arg[sName]}function GetAll(){return this.arg}function GetStatus(){return this.status}function Read(sUrl){var aArgsTemp,aTemp,sQuery;if(sUrl){sQuery=sUrl.substr(sUrl.lastIndexOf("?")+1,sUrl.length)}else{sQuery=window.location.search.substr(1,window.location.search.length)}if(sQuery.length<1){return}else{this.status=true}aArgsTemp=sQuery.split("&");for(var i=0;i<aArgsTemp.length;i++){aTemp=aArgsTemp[i].split("=");this.arg[aTemp[0]]=aTemp[1]}}function Set(sName,sValue){if(sValue==null){delete this.arg[sName]}else{this.arg[sName]=sValue}}function Write(){var sQuery=new String("");for(var sName in this.arg){if(sQuery!=""){sQuery+="&"}if(this.arg[sName]){sQuery+=sName+"="+this.arg[sName]}}if(sQuery.length>0){return"?"+sQuery}else{return sQuery}}}