var xmlhttp = false;
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e2) {
			xmlhttp = false;
		}
	}
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		xmlhttp = new XMLHttpRequest();
	}


if (typeof XMLHttpRequest == "undefined" && window.ActiveXObject) {
	function XMLHttpRequest() {
		var arrSignatures = ["MSXML2.XMLHTTP.6.0","MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];
		for (var i=0; i < arrSignatures.length; i++) {
			try {
				var oRequest = new ActiveXObject(arrSignatures[i]);
				return oRequest;
			} catch (oError) {
				//ignore
			}
		}
		throw new Error("MSXML is not installed on your system.");
	}
}


//函數：將參數加入到 URL 尾端，以便讓 GET 使用
function addURLParam(sURL, sParamName, sParamValue) {
	sURL += (sURL.indexOf("?") == -1 ? "?" : "&");
	sURL += encodeURIComponent(sParamName) + "=" + encodeURIComponent(sParamValue);
	return sURL;
}

function AjaxverifyCode(obj){       
	xmlhttp.open("GET","/public/js/verify_check2.php?code="+obj.value,false);
	xmlhttp.send(null);
	xmlhttp.onreadystatechange=function(){
			 if (4==xmlhttp.readyState){
					if (200==xmlhttp.status){
					}else{
						alert("error!!!");
					}
			 }
	  }
	  return xmlhttp.responseText=="true";
}