// JavaScript Document
function checkPerson(URL,ReElementName,Username){
	var xmlHttp = GetXmlHttpObject();
	if(xmlHttp == null){
        alert("抱歉!你的browse不支援ajax,請更新browse版本");
        return;
    }
	xmlHttp.open("GET",URL,false);
	xmlHttp.send(null);
	if(ReElementName){
	document.getElementById(ReElementName).value = xmlHttp.responseText;
	}
}


function GetXmlHttpObject(){
    var objXMLHttp = null;
    if(window.XMLHttpRequest){
        objXMLHttp = new XMLHttpRequest();
    }else if(window.ActiveXObject){
        objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return objXMLHttp;
}