var  AjaxSpanName; 
	function AjaxCheckRrepeat(SpanName,UrlValue,ParamsValue)
    {   
      AjaxSpanName=SpanName;
      

        try
	    { 
		   xRequest = new ActiveXObject("Microsoft.XMLHTTP");//创建旧版本的IE请求对象
	    } 
	   catch (e) 
	    {
		 try {
			if(window.XMLHttpRequest)
			{
				xRequest = new XMLHttpRequest();//创建新版本IE请求对象
			}else if (typeof ActiveXObject != "undefined")
			{
				xRequest = new ActiveXObject("Microsoft.XMLHTTP"); //创建COM组件
			}
		} catch (E) 
		{
	 		xRequest = false;
 		}
 	}
 	
	//创建非IE浏览器的请求对象
	 if (!xRequest && typeof XMLHttpRequest != 'undefined')
	  {
	 	xRequest = new XMLHttpRequest();
	 }
	//判断对象为false
	if(xRequest)
	{   		
           if(UrlValue.length<3)
           {
             UrlValue= "/tourmall/Ajax.aspx";  //发送请示的url地址	
            }
		xRequest.onreadystatechange = AjaxGetMessage; //指定回调方法
		
		xRequest.open("post",UrlValue,false); //建立与服务器的请求	
	
        xRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=utf-8");

		xRequest.send(ParamsValue); //发送请求
	
		
	}else
	{
		alert("无法创建连接。。。");
	}
}

function AjaxGetMessage()
{
	if (xRequest.readyState == 4)
	{ //如果服务器响应动作完成	
	    //alert("务器响应动作完成");
		if(xRequest.status == 200)
		{  
		AjaxLogin();
		}else
		{
			alert("不能得到服务器的数据");			
		}
	}
	else
	{
		return;
	}
}

function AjaxLogin()
{
    var res = xRequest.responseText;
    // document.getElementById(""+SpanName+"").style.color="Red";\
    document.getElementById(AjaxSpanName).innerHTML=res;    

}