var AjaxReadyState=new Object();AjaxReadyState.UNINITIALIZED=0;AjaxReadyState.LOADING=1;AjaxReadyState.LOADED=2;AjaxReadyState.INTERACTIVE=3;AjaxReadyState.COMPLETE=4;var AjaxStatus=new Object();AjaxStatus.OK=200;AjaxStatus.Created=201;AjaxStatus.Accepted=202;AjaxStatus.No_Content=204;AjaxStatus.Moved_Permanently=301;AjaxStatus.Moved_Temporarily=302;AjaxStatus.Not_Modified=304;AjaxStatus.Bad_Request=400;AjaxStatus.Unauthorized=401;AjaxStatus.Forbidden=403;AjaxStatus.Not_Found=404;AjaxStatus.Method_Not_Allowed=405;AjaxStatus.NotAcceptable=406;AjaxStatus.PreconditionFailed=407;AjaxStatus.RequestTimeout=408;AjaxStatus.Conflict=409;AjaxStatus.Gone=410;AjaxStatus.RequestEntityTooLarge=413;AjaxStatus.RequestUriTooLong=414;AjaxStatus.Unsupported_MediaType=415;AjaxStatus.RequestedRangeNotSatisfiable=416;AjaxStatus.ExpectationFailed=417;AjaxStatus.Internal_Server_Error=500;AjaxStatus.Not_Implemented=501;AjaxStatus.Bad_Gateway=502;AjaxStatus.Service_Unavailable=503;AjaxStatus.Open_Mathod_Fail=600;AjaxStatus.Send_Mathod_Fail=601;AjaxStatus.Pequest_Pending=700;var AjaxResponseType=new Object();AjaxResponseType.responseXML=1;AjaxResponseType.responseTEXT=2;var AjaxMethodType=new Object();AjaxMethodType.POST=1;AjaxMethodType.GET=2;AjaxMethodType.HEAD=3;AjaxMethodType.UNDEFINED=4;function ExAjaxClass()
{this.request=null;this.response=null;this.callingMethod='';this.responseType=null;this.AjaxCallbackFunction=null;this.methodType=null;this.loaded=2;this.AddCallBackHnadler=function(AjaxCallbackFunction,responsetype)
{this.responseType='';switch(responsetype)
{case AjaxResponseType.responseXML:this.responseType=AjaxResponseType.responseXML;break;case AjaxResponseType.responseTEXT:this.responseType=AjaxResponseType.responseTEXT;break;}
this.AjaxCallbackFunction=AjaxCallbackFunction||null;};this.initialize=function()
{this.response=null;this.callingMethod='';if(!this.request)
{if(window['XMLHttpRequest'])
{try
{this.request=new XMLHttpRequest();}
catch(e)
{this.request=null;};}
else if(window['ActiveXObject'])
{var ajaxMSversions=['Msxml2.XMLHTTP','Microsoft.XMLHTTP'];for(var v=0;v<ajaxMSversions.length;v++)
{try
{this.request=new ActiveXObject(ajaxMSversions[v]);return this.request;}
catch(e)
{this.request=null;};}}
else if(window['createRequest'])
{try
{this.request=window.createRequest();}
catch(e)
{this.request=null;};}
else
{alert('XMLHTTP not enabled. Impossible to proceed.');}};return this.request;}
this.sendToServer=function(methodtype,uri,arguments)
{if(this.loaded!=AjaxReadyState.LOADED)
{if(typeof(this.AjaxCallbackFunction)=="function")
{this.response="Already one Request is being pending.";this.AjaxCallbackFunction(this.response,this.responseType,AjaxStatus.Pequest_Pending);}
return;}
if(methodtype!=undefined)
{if(!uri||!this.initialize()){return false;};arguments=arguments||'';switch(methodtype)
{case AjaxMethodType.POST:this.methodType=AjaxMethodType.POST;this.callingMethod='POST';arguments=unescape(arguments);try
{this.request.open('POST',uri,true);this.request.setRequestHeader('Content-Type','application/x-www-form-urlencoded');}
catch(e)
{if(typeof(this.AjaxCallbackFunction)=="function")
{this.AjaxCallbackFunction(e.message,this.responseType,e.number);delete this.request;return;}}
break;case AjaxMethodType.GET:this.methodType=AjaxMethodType.GET;this.callingMethod='GET';arguments=arguments.replace(/\?/,'');arguments=unescape(arguments);try
{this.request.open('GET',(uri+'?'+arguments),true);this.request.setRequestHeader('Content-Type','text/xml');}
catch(e)
{if(typeof(this.AjaxCallbackFunction)=="function")
{this.AjaxCallbackFunction(e.message,this.responseType,e.number);delete this.request;return;}}
arguments=null;break;case AjaxMethodType.HEAD:this.methodType=AjaxMethodType.HEAD;this.callingMethod='HEAD';try
{this.request.open('HEAD',uri,true);this.request.setRequestHeader('Content-Type','text/xml');}
catch(e)
{if(typeof(this.AjaxCallbackFunction)=="function")
{this.AjaxCallbackFunction(e.message,this.responseType,e.number);delete this.request;return;}}
arguments=(arguments||null);break;}
try
{this.request.onreadystatechange=this.AjaxCallback(this);this.request.send(arguments);}
catch(e)
{if(typeof(this.AjaxCallbackFunction)=="function")
{this.AjaxCallbackFunction(e.message,this.responseType,e.number);delete this.request;return;}}}
else
{return false;}};this.error=function(statusError)
{if(statusError)
{this.response=(this.request&&this.request.status)?'Ajax Error: '+this.request.status+': '+this.request.statusText:'Ajax Error: Requested document may be temporarily unavailable';return this.response;}
else
{return false;}}
this.AjaxCallback=function(ajaxInstance)
{return function()
{if(ajaxInstance.request.readyState==AjaxReadyState.COMPLETE||ajaxInstance.request.readyState=='complete')
{ajaxInstance.loaded=AjaxReadyState.LOADED;if(ajaxInstance.request.status==AjaxStatus.OK)
{var _callingMethod,_responseType;_callingMethod='';_responseType='';switch(ajaxInstance.methodType)
{case AjaxMethodType.POST:_callingMethod="POST";break;case AjaxMethodType.GET:_callingMethod="GET";break;case AjaxMethodType.HEAD:_callingMethod="HEAD";break;}
switch(ajaxInstance.responseType)
{case AjaxResponseType.responseXML:_responseType='responseXML';break;case AjaxResponseType.responseTEXT:_responseType='responseText';break;}
ajaxInstance.response=(_callingMethod=='GET'||_callingMethod=='POST')?ajaxInstance.request[_responseType]:(_callingMethod=='HEAD')?ajaxInstance.request.getAllResponseHeaders():false;if(typeof(ajaxInstance.AjaxCallbackFunction)=="function")
{ajaxInstance.AjaxCallbackFunction(ajaxInstance.response,ajaxInstance.responseType,ajaxInstance.request.status);return;}
return ajaxInstance.response;}
else
{ajaxInstance.AjaxCallbackFunction(ajaxInstance.response,ajaxInstance.responseType,ajaxInstance.request.status);}}
else
{if(ajaxInstance.request.readyState==AjaxReadyState.LOADING)
ajaxInstance.loaded=AjaxReadyState.LOADING;if(ajaxInstance.request.readyState==AjaxReadyState.LOADED)
ajaxInstance.loaded=AjaxReadyState.LOADED;};}}}