function gettime(){
	var d = new Date();
	date = d.getDate();
	month= d.getMonth() +1;
	year= d.getYear();
	var str= "今天是"+year+"年"+month+"月"+date+"日";
	var arr = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");
	var i = d.getDay();
	str += arr[i];
	return str;
}

//判断浏览器
var ie = (navigator.appVersion.indexOf("MSIE")!=-1);//IE 
var ff = (navigator.userAgent.indexOf("Firefox")!=-1);//Firefox 

//用于无缝滚动
var highlighting;
function trains(id,text){document.all[id].innerHTML=' '+text}
function trainpic(id,text){document.all[id].innerHTML='<img src="'+text+'.gif">'}
function high(which2){
	theobject=which2;
	if(ie)
		theobject.filters.alpha.opacity=30
	else
		theobject.style.MozOpacity=0.5
	highlighting=setInterval("highlightit(theobject)",50)
}
function low(which2){
	clearInterval(highlighting)
	if(ie)
		which2.filters.alpha.opacity=100
	else
		which2.style.MozOpacity=1
}
function highlightit(cur2){
	var nav,vl;
	if(ie){
		vl = 15;
		nav = cur2.filters.alpha.opacity
	}	
	else{
		vl = 0.15;
		nav = cur2.style.MozOpacity
	}
		
	if (nav<1)
		nav+=vl
	else if(window.highting)
		clearInterval(highlighting)
}