//载入XML
function nounExplain(parameter,obj){
		var strs = new Array();
		strs[0] = parameter;
		
		strs[1]= ChangeTimeToString();
		sendGetXMLHttpRequest("/js/xml/terminology.jsp",terminologyXmlHttpRequest, strs,obj);
}
	
 
//解析XML
 function terminologyXmlHttpRequest(strs, obj){
	var t = strs[0];
	var time = strs[1];
	
		// 取得XML的DOM对象	
		var xmlDOM = xmlHttp.responseXML;
		// 取得XML文档的根
		var es = xmlDOM.getElementsByTagName('term-explain');
		for (var i = 0; i < es.length; i++) {
			  var terms = es[i];
			  var term = terms.getElementsByTagName("term")[0].firstChild.nodeValue;
				if(term == t){
					var explain = terms.getElementsByTagName("explain")[0].firstChild.nodeValue;
					var btime = terms.getElementsByTagName("begintime")[0].firstChild.nodeValue;
					var etime = terms.getElementsByTagName("endtime")[0].firstChild.nodeValue;
					
					if(eval(time) >= eval(btime) && eval(time) <= eval(etime)){
						callTerm(explain, obj);
						break;
					}
				}else{
					
					callTerm('暂无解释!', obj);
				}
			}
			
		
	}

	

function callTerm(explain, obj){
 	obj.setAttribute('title',explain);
 }

/**
*转换时间格式yyyyMMdd
*/
function ChangeTimeToString(){
     var Year=0;
    var Month=0;
    var Day=0;
    var CurrentDate="";

	var datetime = new Date();
    //初始化时间
    Year = datetime.getYear();
	
    Month = datetime.getMonth()+1;
	if (Month < 10 )
    {
        Month = "0" + Month;
    }
    Day = datetime.getDate();
	if(Day < 10)
		Day = "0" + Day;

	CurrentDate = "" + Year + Month + Day;
	return CurrentDate
}