從右向左緩緩浮出的網頁浮動層廣告_層和布局特效

網頁上浮動滑出的DIV層，可以用作廣告，也可以布置一些導航菜單，基本上沒用圖片，為了更好的展現功能，因此沒有過多美化，這里使用了外圍的浮動框解決了有可能出現的橫向滾動條問題。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>從右向左緩緩浮出的網頁浮動層廣告</title>
<script language="javascript">
var $ = function (d){return document.getElementById(d)};
var CLS={
   create: function() {
	  return function() {
		this.$ADD = function (fn){CLS.add(this,fn)};
	    this.init.apply(this, arguments);
	  }
   },
   add:function (obj,fn){
	   fn.apply(obj,arguments);
   },
   enterFrame:function (){
	    this.onEnterFrame=function (){};
		this.$PLAY = function (g){
			this.enterFrameP = this.enterFrameP || 10;
			this.CLStimeIndex = CLS.ontimes.length;
			CLS.ontimes.push(this);
			window.clearTimeout(this.enterFrameTimeout);
			window.clearInterval(this.enterFrameInterval);
			if(g)this.enterFrameTimeout = window.setTimeout('CLS.ontimes['+this.CLStimeIndex+'].enterFrameInterval=window.setInterval("CLS.ontimes['+this.CLStimeIndex+'].onEnterFrame()",'+this.enterFrameP+')',parseInt(g*1000));
			else this.enterFrameInterval = window.setInterval("CLS.ontimes["+this.CLStimeIndex+"].onEnterFrame()",this.enterFrameP);
		}
		this.$STOP = function (){
			window.clearInterval(this.enterFrameInterval);
		}
		this.$SET = function (p){
			this.enterFrameP = p;
		}
   },
   ontimes:new Array()
};
CLS.Marquee = CLS.create();
CLS.Marquee.prototype = {
   init:function (button,box,speed){
      this.box = $(box);
	  this.tit = $(button)
	  this.kong = $("kong");
	  this.onOpen = true;
	  this.show = false;
	  this.time = 0;
	  this.speed = speed;
	  this.kong.style.height = this.box.offsetHeight +"px";
	  this.Maxw = this.box.offsetWidth-this.tit.offsetWidth;
	  this.box.style.right = -this.box.offsetWidth + "px";
	  this.boxTop = this.kong.offsetTop;
	  var _t = this;
	  this.tit.onclick = function (){
	    this.show = true;
	    if(_t.onOpen){
		  _t.onEnterFrame = _t.close;
		  _t.onOpen = false;
		}else{
		  _t.onEnterFrame = _t.open;
		  _t.onOpen = true;
		}
		_t.$PLAY();
	  };
	  this.$ADD(CLS.enterFrame);
	  this.onEnterFrame = this.open;
	  this.$PLAY();
   },
   open:function(){
      this.tit.innerHTML = "-";
      var _r = parseInt(this.box.style.right);
	  var _b = (0 - _r)/30;
	  this.box.style.right = (_r + _b) +"px";
	  this.kong.style.top = (document.documentElement.scrollTop + this.boxTop) +"px";
	  if(_b==0 && !this.show){
	   this.time +=10;
	   if(this.time>=this.speed*1000){
	     this.show = true;
		 this.onOpen = false;
		 this.$STOP();
	     this.onEnterFrame = this.close;
		 this.$PLAY(); 
	   }
	  }	  
   },
   close:function (){
      this.tit.innerHTML = "+";
      var _r = parseInt(this.box.style.right);
	  var _b = (-this.Maxw - _r)/5;
	  this.box.style.right = Math.round(_r + _b) +"px";
	  this.kong.style.top = (document.documentElement.scrollTop + this.boxTop) +"px";
   }
};
window.onload = function (){
  setTimeout(function(){new CLS.Marquee("tit","abc",10)},3000);//tit是點擊按鈕的Id ，abc是浮動塊的ID,10是顯示時長
};
</script>
<style type="text/css">

</style>
</head>
<body style="margin:0px;">

<div id="kong">
 
 <div id="abc">
   <div id="tit">-</div>
   <div class="right">
<a href="/">網頁上從右邊緩緩彈出的廣告框效果</a></div>
 </div>
</div>
3秒后彈出
</body>
</html>

所屬頻道：層和布局特效/更新時間：2012-11-17

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