var AdMoveConfig=new Object();   
AdMoveConfig.IsInitialized=false;   
AdMoveConfig.ScrollX=0;   
AdMoveConfig.ScrollY=0;   
AdMoveConfig.MoveWidth=0;   
AdMoveConfig.MoveHeight=0;   
AdMoveConfig.Resize=function(){   
    var winsize=GetPageSize();   
    AdMoveConfig.MoveWidth=winsize[2];   
    AdMoveConfig.MoveHeight=winsize[3];   
    AdMoveConfig.Scroll();   
}   
AdMoveConfig.Scroll=function(){   
    var winscroll=getPageScroll();   
    AdMoveConfig.ScrollX=winscroll[0];   
    AdMoveConfig.ScrollY=winscroll[1];   
}   
addEvent(window,"resize",AdMoveConfig.Resize);   
addEvent(window,"scroll",AdMoveConfig.Scroll);   
function AdMove(id){   
    if(!AdMoveConfig.IsInitialized){   
        AdMoveConfig.Resize();   
        AdMoveConfig.IsInitialized=true;   
    }   
    var obj=document.getElementById(id);   
    obj.style.position="absolute";   
    var W=AdMoveConfig.MoveWidth-obj.offsetWidth;   
    var H=AdMoveConfig.MoveHeight-obj.offsetHeight;   
    var x = W*Math.random(),y = H*Math.random();   
    var rad=(Math.random()+1)*Math.PI/6;   
    var kx=Math.sin(rad),ky=Math.cos(rad);   
    var dirx = (Math.random()<0.5?1:-1), diry = (Math.random()<0.5?1:-1);   
    var step = 1;   
    var interval;   
    this.SetLocation=function(vx,vy){x=vx;y=vy;}   
    this.SetDirection=function(vx,vy){dirx=vx;diry=vy;}   
    obj.CustomMethod=function(){   
        obj.style.left = (x + AdMoveConfig.ScrollX) + "px";   
        obj.style.top = (y + AdMoveConfig.ScrollY) + "px";   
        rad=(Math.random()+1)*Math.PI/6;   
        W=AdMoveConfig.MoveWidth-obj.offsetWidth;   
        H=AdMoveConfig.MoveHeight-obj.offsetHeight;   
        x = x + step*kx*dirx;   
        if (x < 0){dirx = 1;x = 0;kx=Math.sin(rad);ky=Math.cos(rad);}    
        if (x > W){dirx = -1;x = W;kx=Math.sin(rad);ky=Math.cos(rad);}   
        y = y + step*ky*diry;   
        if (y < 0){diry = 1;y = 0;kx=Math.sin(rad);ky=Math.cos(rad);}    
        if (y > H){diry = -1;y = H;kx=Math.sin(rad);ky=Math.cos(rad);}   
    }   
    this.Run=function(){   
        var delay = 15;//Òƶ¯ËÙ¶È   
        interval=setInterval(obj.CustomMethod,delay);   
        obj.onmouseover=function(){clearInterval(interval);}   
        obj.onmouseout=function(){interval=setInterval(obj.CustomMethod, delay);}   
    }   
}