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package com.ljc.rank.ajax;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
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var xmlHttp;
function creatReq() // ´´½¨xmlhttprequest,ajax¿ªÊ¼
{
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{
xmlHttp=new XMLHttpRequest();
}
else if(window ......

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function showNum(str)
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xmlHttp=GetXmlHttpObject()
if (xmlHttp==null) ......
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