// 等比缩放图片:<img onload="rs(this)" src=""/>
function rs(el){
//首先判断图片是长的还是宽的。如果是长的就对宽进行变形，否则对高进行变形
    (el.width>el.height+10)?el.width = Math.min(120,el.width):el.height = Math.min(110,el.height);
}

//Div等高：放在</body>后resetDiv("ID","ID","ID")
function resetDiv(){
	if(arguments.length > 1){
		var x = arguments.length;
		var elements=[];
		for(i=0;i<x;i++){
			elements.push(document.getElementById(arguments[i]).scrollHeight);
		}
		var imax = elements[0];
		for(i=0;i<x;i++){
			if(imax < elements[i]){
				imax = elements[i];
			}
		}
		for(i=0;i<x;i++){
			document.getElementById(arguments[i]).style.height = imax+"px";
		}
	}
}

//显示时间
function time(){
<!--
// Begin
 var enable=0; today=new Date();
 var day; 
 var date;
 var time_start = new Date();
 var clock_start = time_start.getTime();
 if(today.getDay()==0)day="星期天"//Sunday
 if(today.getDay()==1)day="星期一"//Monday
 if(today.getDay()==2)day="星期二"//Tuesday
 if(today.getDay()==3)day="星期三"//Wednesday
 if(today.getDay()==4)day="星期四"//Thursday
 if(today.getDay()==5)day="星期五"//Friday
 if(today.getDay()==6)day="星期六"//Saturday
 date="您好！今天是："+(today.getYear())+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日";
 document.write(date);
 document.write(" "+day+" ");
 times=(today.getHours())+":"+(today.getMinutes()+1)+":"+today.getSeconds()+" ";
 document.write(times);
// -->	
}

//判断是否为中文
function isChinese(temp) 
{ 
var re = /[^\u4e00-\u9fa5]/; 
//test() 方法用于检测一个字符串是否匹配某个模式.
if(re.test(temp)) 
    return false; 
return true; 
} 

//滚动
function DivScroll(tabid,tab1id,tab2id,direction){
	var speed=25; //数字越大速度越慢
	var _stop = true; //是否停止
	var tab= document.getElementById(tabid);
	var tab1 = document.getElementById(tab1id);
	var tab2 = document.getElementById(tab2id);
	tab2.innerHTML=tab1.innerHTML;
	switch (direction)
	{
		case "up" :
			var MyMar=setInterval(MarqueeUp,speed);   //定时滚动
			if(_stop){
			    tab.onmouseover=function() {clearInterval(MyMar)};
			    tab.onmouseout=function() {MyMar=setInterval(MarqueeUp,speed)};
			}
			break;
		default:
			var MyMar=setInterval(MarqueeLeft,speed);   //定时滚动
			if(_stop){
			    tab.onmouseover=function() {clearInterval(MyMar)};
			    tab.onmouseout=function() {MyMar=setInterval(MarqueeLeft,speed)};
			}
			break;
		break;
	}
	/*向左滚动*/
	function MarqueeLeft(){
		if(tab1.offsetWidth-tab.scrollLeft<=0)
			tab.scrollLeft-=tab1.offsetWidth;
		else{
			tab.scrollLeft++;
		}
	}
	/*向上滚动*/
	function MarqueeUp(){
 		if(tab2.offsetTop-tab.scrollTop<=0)
  			tab.scrollTop-=tab1.offsetHeight;
 		else{
  			tab.scrollTop++;
 		}
	}
}

//切换选项卡
function changeTab(group,num,sel)
{
	for(var i=0;i<num;i++) {
		var obj = document.getElementById(group+i.toString());
		if(i == sel) {
			obj.className = "sel";
			document.getElementById(group+"content"+i.toString()).style.display = "";
		}else {
			obj.className = "";
			document.getElementById(group+"content"+i.toString()).style.display = "none";
		}
	}
}