function AJAX_Send(URL,OnFinish)
{
	var request=new HttpRequest();
	request.onfinish=function(){eval(OnFinish);}
	request.onerror=function(e){alert(e.message);}
	request.open("get",URL+"&math="+Math.random(),true);
	request.setRequestHeader('Content-Type','text/xml');
	request.setRequestHeader("Charset","utf-8");
	request.send(null);
}

function HttpRequest()
{
	if(this==window)throw new Error(0,"HttpRequest is unable to call as a function.")
	var me=this;
   	var asyncFlag=false;
   	var typeFlag=false;
	var r;
	function onreadystatechange()
	{
		if(me.onreadystatechange)me.onreadystatechange.call(r);
		if(r.readyState==4)
		{
			if(Number(r.status)>=300)
			{
				if(me.onerror)me.onerror.call(r,new Error(0,"Http error:"+r.status+" "+r.statusText));
				if(typeFlag)r.onreadystatechange=Function.prototype;
				else r.onReadyStateChange=Function.prototype;
				r=null;
				return;
			}
			me.status=r.status;
			me.statusText=r.statusText;
			me.responseText=r.responseText;
			me.responseBody=r.responseBody;
			me.responseXML=r.responseXML;
			me.readyState=r.readyState;
			if(typeFlag)r.onreadystatechange=Function.prototype;
			else r.onReadyStateChange=Function.prototype;
			r=null;
			if(me.onfinish)me.onfinish();
		}
	}
	function creatHttpRequest(){
		var e;
		try{
			r=new window.XMLHttpRequest();
			typeFlag=true;
		} catch(e) {			
			var ActiveXName=[
				'MSXML2.XMLHttp.6.0',
				'MSXML2.XMLHttp.3.0',
				'MSXML2.XMLHttp.5.0',
				'MSXML2.XMLHttp.4.0',
				'Msxml2.XMLHTTP',
				'MSXML.XMLHttp',
				'Microsoft.XMLHTTP'
			]
			function XMLHttpActiveX()
			{
				var e;
				for(var i=0;i<ActiveXName.length;i++)
				{
					try{
						var ret=new ActiveXObject(ActiveXName[i]);
						typeFlag=false;
					} catch(e) {
						continue;
					}
					return ret;
				}
				throw {"message":"XMLHttp ActiveX Unsurported."};
			}
			try{
				r=new XMLHttpActiveX();
				typeFlag=false;
			} catch(e) {
				throw new Error(0,"XMLHttpRequest Unsurported.");
			}
		}
	}
	creatHttpRequest();


	this.abort=function(){
		r.abort();
	}
	this.getAllResponseHeaders=function(){
		r.getAllResponseHeaders();
	}
	this.getResponseHeader=function(Header){
		r.getResponseHeader(bstrHeader);
	}
	this.open=function(Method,Url,Async,User,Password){
		asyncFlag=Async;
		try{
			r.open(Method,Url,Async,User,Password);
		} catch(e) {
			if(me.onerror)me.onerror(e);
			else throw e;
		}
	}
	this.send=function(Body){
		try{
			if(typeFlag)r.onreadystatechange=onreadystatechange;
			else r.onReadyStateChange=onreadystatechange;

			r.send(Body);
			//alert("sended");
			if(!asyncFlag){
				this.status=r.status;
				this.statusText=r.statusText;
				this.responseText=r.responseText;
				this.responseBody=r.responseBody;
				this.responseXML=r.responseXML;
				this.readyState=r.readyState;

				if(typeFlag)r.onreadystatechange=Function.prototype;
				else r.onReadyStateChange=Function.prototype;

				r=null;
			}
		} catch(e) {
			if(me.onerror)me.onerror(e);
			else throw e;
		}
		//alert("sended");
	}
	this.setRequestHeader=function(Name,Value){
		r.setRequestHeader(Name,Value);
	}
}