// 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];
		if(imax > elements[1]){
			document.getElementById(arguments[1]).style.height = imax+"px";
		}
		else
		{
			document.getElementById(arguments[0]).style.height = elements[1]+"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=(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);
// -->	
}

//滚动
function DivScroll(tabid,tab1id,tab2id,direction){
	var speed=25; //数字越大速度越慢
	var _stop = 0;
	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
			tab.onmouseover=function() {clearInterval(MyMar)};
			tab.onmouseout=function() {MyMar=setInterval(MarqueeUp,speed)};
			break;
		default:
			var MyMar=setInterval(MarqueeLeft,speed);   //定时滚动
			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";
		}
	}
}

//搜索验证
function OnSearch()
{
	var title = document.getElementById("title");
	if(title.value == "")
	{
		alert("标题不能为空!!");
		return false;
	}
	return true;
}

//浮动广告
var Rimifon = { 
"Ads" : new Object, 
"NewFloatAd" : function(imgUrl, strLink) 
{ 
    var ad = document.createElement("a"); 
    ad.DirV = true; 
    ad.DirH = true; 
    ad.AutoMove = true; 
    ad.Image = new Image; 
    ad.Seed = Math.random(); 
    ad.Timer = setInterval("Rimifon.Float(" + ad.Seed + ")", 50); 
    this.Ads[ad.Seed] = ad; 
    ad.Image.Parent = ad; 
    ad.style.position = "absolute"; 
    ad.style.left = 0; 
    ad.style.top = 0; 
    ad.Image.src = imgUrl; 
    ad.Image.onmouseover = function(){this.Parent.AutoMove = false;} 
    ad.Image.onmouseout = function(){this.Parent.AutoMove = true;} 
    if(strLink) { 
        ad.href = strLink; 
        ad.Image.border = 0; 
        ad.target = "_blank"; 
    } 
    ad.appendChild(ad.Image); 
    document.body.appendChild(ad); 
    return ad; 
}, 
"Float" : function(floatId) { 
    var ad = this.Ads[floatId]; 
    if(ad.AutoMove) { 
        var curLeft = parseInt(ad.style.left); 
        var curTop = parseInt(ad.style.top); 
        if(ad.offsetWidth + curLeft > document.body.clientWidth + document.body.scrollLeft - 1) { 
            curLeft = document.body.scrollLeft + document.body.clientWidth - ad.offsetWidth; 
            ad.DirH = false; 
        } 
        if(ad.offsetHeight + curTop > document.body.clientHeight + document.body.scrollTop - 1) { 
            curTop = document.body.scrollTop + document.body.clientHeight - ad.offsetHeight; 
            ad.DirV = false; 
        } 
        if(curLeft < document.body.scrollLeft) { 
            curLeft = document.body.scrollLeft; 
            ad.DirH = true; 
        } 
        if(curTop < document.body.scrollTop) { 
            curTop = document.body.scrollTop; 
            ad.DirV = true; 
        } 
        ad.style.left = curLeft + (ad.DirH ? 1 : -1) + "px"; 
        ad.style.top = curTop + (ad.DirV ? 1 : -1) + "px"; 
    } 
} 
}
//对联广告
function scrollBanner(timer, moveNumber) {
  function move(o) {
    var st = document.documentElement.scrollTop + o.t;
    var sl = document.documentElement.scrollLeft + (o.c == 0 ? o.a : document.documentElement.clientWidth - o.a - o.offsetWidth);
    var tc = st - o.offsetTop, lc = sl - o.offsetLeft;
    with (o.style) {
      top = o.offsetTop + (tc != 0 ? tc / Math.abs(tc) : 0) * Math.min(Math.abs(tc), moveNumber) + "px";
      left = o.offsetLeft + (lc != 0 ? lc / Math.abs(lc) : 0) * Math.min(Math.abs(lc), moveNumber) + "px";
    }
    if (o.person) {
      with (o.person.style) {
        top = o.offsetTop + "px";
        left = o.offsetLeft + o.offsetWidth - o.person.offsetWidth + "px";
      }
    }
  }
  var hidden = function() {
    var o = this.parent;
    window.clearInterval(o.interval);
    o.parentNode.removeChild(o);
    this.parentNode.removeChild(this);
  }
  this.add = function (to, t, a, c, lo) {
    /*
    to为object对象
    t为距离顶端距离
    当c = 0的时候，a为距离左边的距离
    当c != 0的时候，a为距离右边的距离
    lo为关闭按钮
    */
    var div, exec = function () {
      move(to);
    };
  
    to.person = lo;
    to.t = t;
    to.a = a;
    to.c = c;
    with (to.style) {
      position = "absolute";
      display = "block";
      top = document.documentElement.scrollTop + t;
      left = document.documentElement.scrollLeft + (c == 0 ? a : document.documentElement.clientWidth - a - to.offsetWidth);
    }
  
    if ("undefined" != typeof lo) {
      with (lo.style) {
        position = "absolute";
        display = "block";
      }
      lo.onmousedown = hidden;
      lo.parent = to;
    }
    exec();
    to.interval = window.setInterval(exec, timer);
  };
}
/*调用
* window.onload = function () {
* var b = new scrollBanner(10, 10);
* b.add(document.getElementById("rwc"), 80, 10, 1);
* b = null;
*/