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var url = location.href.substr(0, location.href.length-location.search.length);
/**
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Function.prototype.Name = function() {
  var s = Function.prototype.Name.caller.toString();
  return s.split(/[\r\n]+/)[0].replace(/function\s+(\w+).+/g, '$1');
}
/**
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 * ·µ»Ø ³É¹¦£º¶ÔÏó ʧ°Ü£ºnull
 */
function $(e) {
  var tag = document.getElementById(e);
  if(tag) return tag;
  tag = document.getElementsByName(e);
  if(tag.tagName == undefined) return null;
  return tag;
}
/**
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function ajax_query(method, tag) {
 //³¢ÊÔ´´½¨XMLHTTP¶ÔÏó
 var xmlhttp;
//// try {
////  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
//// }catch(e) {
  try {
   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (oc) {
   xmlhttp = null;
  }
////   }
 if(!xmlhttp && typeof XMLHttpRequest != "undefined") {
  var xmlhttp = new XMLHttpRequest(); // Mozilla, Safari, ...
 }
 if(! xmlhttp) {
  alert('´íÎó! ȱÉÙÁ¬½Ó×é¼þ');
  return;
 }
 if(arguments.length == 0) {
  alert(Function.Name()+'ÖÁÉÙÐèÒªÒ»¸ö·½·¨Ãû');
  return;
 }
 var data =


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ajax XMLHttpRequest post get

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function getXmlHttpRequest() {
    var xmlHttpRequest = null;
    try {
        xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
    } ......

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<head runat="server">
    <title>ÎÞ±êÌâÒ³</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManage ......

ajax ¼æÈÝÐÔÎÊÌâ½â¾ö ¼¯½õ

   ÕâÁ½Ìì¸Õ½â¾öÁËajax¶àä¯ÀÀÆ÷¼æÈݵÄÎÊÌ⣬Ö÷Òª¾ÍÕë¶ÔFirefoxµÄ£¬¿ªÊ¼»¹ÒÔΪFirefox²»Ö§³ÖajaxÄØ£¨±ðЦÎÒѽ£¬²»ÔõôÁ˽âFirefoxҲûÓùý£¬ºÇºÇ£©£¬¶à¿÷¿´ÁËÏÂÃæµÄÎÄÕ²ÅÈÃÎÒÁ˽âajaxµÄÊÊÓ÷¶Î§¡£ÆäʵֻҪ·ûºÏw3cµÄ±ê×¼¾Í¿ÉÒÔÔÚFirefoxµÈÕâЩä¯ÀÀÆ÷ÉÏÕý³£ÏÔʾ£¬ËùÒÔ»¹ÊÇÓ¦¸ÃºÃºÃÁ˽âÒ»ÏÂw3cµÄ±ê×¼¹æÔòѽ¡£²»¹ýÒª½ ......

AJAX Cross Domain Same Origin Policy limitation

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AJAX Same-Origin Policy(SOP) limitation:
 AJAX prevents cross-domail invokation, there are several ways to by pass this limitation.
1. write a proxy on the server side. The SOP limitation only exists only on the javascript si ......
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