ahaoxie's blog

<script type="text/javascript">
function $(element){
    
if(arguments.length>1){
        for(var 
i=0,elements=[],length=arguments.length;i<length;i++)
            
elements.push($(arguments[i]));
        return elements;
    }
    
if(typeof element=="string")
        return 
document.getElementById(element);
    else
        return 
element;
}
Function.prototype.bind=function(object){
    var 
method=this;
    return function(){
        
method.apply(object,arguments);
    }
}
var Class={
    
create:function(){
        return function(){
            
this.initialize.apply(this,arguments);
        }
    
}
}
Object.extend=function(destination,resource){
    for(var property 
in resource){
        destination[property]=resource[property];    
    
}
    return destination;
}
//对联广告类
var 
float_ad=Class.create();
float_ad.prototype={
    
initialize:function(id,content,top,left,width){
        
document.write('<div id='+id+' 
style="position:absolute;">'+content+'</div>');
        
this.id=$(id);
        this.top=top;
        if(!!left){
            
this.id.style.left="8px";    
        }else{
            
this.id.style.left=(document.documentElement.clientWidth-width-8)+"px";
    
        window.onresize=function(){
                
this.id.style.left=(document.documentElement.clientWidth-width-8)+"px";
    
        }.bind(this);
        }
        this.id.style.top=top+"px";
    
    
        this.interId=setInterval(this.scroll.bind(this),20);
    
},
    scroll:function(){
        this.stmnStartPoint = 
parseInt(this.id.style.top, 10);
        this.stmnEndPoint 
=document.documentElement.scrollTop+ this.top;
        
if(navigator.userAgent.indexOf("Chrome")>0){
            
this.stmnEndPoint=document.body.scrollTop+this.top;    
        }
        
if ( this.stmnStartPoint != this.stmnEndPoint ) {
                
this.stmnScrollAmount = Math.ceil( Math.abs( this.stmnEndPoint - 
this.stmnStartPoint ) / 15 );
                this.id.style.top = 
parseInt(this.id.style.top, 10) + ( ( this.stmnEndPoint<this.stmnStartPoint ) 
? -this.stmnScrollAmount : this.stmnScrollAmount )+"px";
        }
    
}
}
//漂浮广告类
var move_ad=Class.create();
move_ad.prototype={
    
initialize:function(imgOption,initPosition,delay){
        
this.imgOptions=Object.extend({url:"",link:"http://www.dovapour.com.cn/",width:120,height:120},imgOption||{});
    
    this.adPosition=Object.extend({left:40,top:120},initPosition||{});
    
    this.delay =delay;
        this.step = 1;
        
this.herizonFlag=true;
        this.verticleFlag=true;
        
this.id="ad_move_sg";
        var vHtmlString="<div id='"+this.id+"' 
style='position:absolute; left:"+this.adPosition.left+"px; 
top:"+this.adPosition.top+"px; width:"+this.imgOptions.width+"px;";
        
vHtmlString+=" height:"+this.imgOptions.height+"px; z-index:10;'><a 
href='"+this.imgOptions.link+"' target='_blank'><img 
src='"+this.imgOptions.url+"' width="+this.imgOptions.width+" 
height="+this.imgOptions.height+" style='border:none;' 
/></a></div>";
        document.write(vHtmlString);
        
this.id=$(this.id);
        
this.intervalId=setInterval(this.scroll.bind(this),this.delay);
        
this.id.onmouseover=this.stop.bind(this);
        
this.id.onmouseout=this.start.bind(this);
    },
    
scroll:function(){
        var L=T=0;
        var 
B=document.documentElement.clientHeight-this.id.offsetHeight;
        var 
R=document.documentElement.clientWidth-this.id.offsetWidth;
        
this.id.style.left=this.adPosition.left+document.documentElement.scrollLeft+"px";
    
    
this.id.style.top=this.adPosition.top+document.documentElement.scrollTop+"px";
    
    this.adPosition.left =this.adPosition.left + 
this.step*(this.herizonFlag?1:-1); 
        if (this.adPosition.left < L) 
{ this.herizonFlag = true; this.adPosition.left = L;} 
        if 
(this.adPosition.left > R){ this.herizonFlag = false; this.adPosition.left = 
R;} 
        this.adPosition.top =this.adPosition.top + 
this.step*(this.verticleFlag?1:-1); 
        if(this.adPosition.top <= T){ 
this.verticleFlag=true; this.adPosition.top=T;}
        
if(this.adPosition.top >= B){ this.verticleFlag=false; this.adPosition.top=B; 
}
    },
    stop:function(){
        
clearInterval(this.intervalId);    
    },
    start:function(){
    
    this.intervalId=setInterval(this.scroll.bind(this),this.delay);    
    
}
}
/*
对联广告调用
第一个参数为ID,第二个参数图片,第三个参数广告距离顶部的距离,
第四个参数表示左右(true代表左,false代表右),第五个参数对联广告的宽度
*/
new 
float_ad("ad_l","<img src='/article/testImages/newyear_ad_l.gif' 
/>",50,true,64);
new float_ad("ad_r","<img 
src='/article/testImages/newyear_ad_r.gif' 
/>",50,false,64);

/*
漂浮广告调用
第一个参数中的url代表漂浮广告的URL地址(必选项),width图片的宽度(可选项,默认120),heihgt图片的高度(可选项,默认120)
第二个参数中的代表漂浮广告的初始位置,由参数left和top指定
*/
new 
move_ad({url:"/article/testImages/newyear_ad_float.jpg",width:150,height:150},{left:40,top:160},30);
</script>