function XmlHandle(testXmlFile) {
    this.xmlDoc = null;
    this.mode = "test";
    this.testXmlFile = testXmlFile;

    this.import = function (mode, xml) {
        this.mode = mode;
        if (this.mode == "test") {
            var curDate = new Date();
            var curTime = curDate.getTime();
            var xmlObj = new XMLHttpRequest();
            xmlObj.open("GET", this.testXmlFile + "?curTime=" + curTime, false);
            xmlObj.send();
            this.xmlDoc = xmlObj.responseXML;
        } else if (this.mode == "runtime") {
            var parser = new DOMParser();
            this.xmlDoc = parser.parseFromString(xml, "text/xml");
        }
    }
}