// JavaScript Document
function addEvent(obj,evtType,func,cap){  
cap=cap||false;  
if(obj.addEventListener){  
obj.addEventListener(evtType,func,cap);  
return true;  
}else if(obj.attachEvent){  
if(cap){  
obj.setCapture();  
return true;  
}else{  
return obj.attachEvent("on" + evtType,func);  
}  
}else{  
return false;  
}  
}  
function getPageScroll(){  
var xScroll,yScroll;  
if (self.pageXOffset) {  
xScroll = self.pageXOffset;  
} else if (document.documentElement && document.documentElement.scrollLeft){  
xScroll = document.documentElement.scrollLeft;  
} else if (document.body) {  
xScroll = document.body.scrollLeft;  
}  
if (self.pageYOffset) {  
yScroll = self.pageYOffset;  
} else if (document.documentElement && document.documentElement.scrollTop){  
yScroll = document.documentElement.scrollTop;  
} else if (document.body) {  
yScroll = document.body.scrollTop;  
}  
arrayPageScroll = new Array(xScroll,yScroll);  
return arrayPageScroll;  
}  
function GetPageSize(){  
var xScroll, yScroll;  
if (window.innerHeight && window.scrollMaxY) {      
xScroll = document.body.scrollWidth;  
yScroll = window.innerHeight + window.scrollMaxY;  
} else if (document.body.scrollHeight > document.body.offsetHeight){  
xScroll = document.body.scrollWidth;  
yScroll = document.body.scrollHeight;  
} else {  
xScroll = document.body.offsetWidth;  
yScroll = document.body.offsetHeight;  
}  
var windowWidth, windowHeight;  
if (self.innerHeight) {  
windowWidth = self.innerWidth;  
windowHeight = self.innerHeight;  
} else if (document.documentElement && document.documentElement.clientHeight) {  
windowWidth = document.documentElement.clientWidth;  
windowHeight = document.documentElement.clientHeight;  
} else if (document.body) {  
windowWidth = document.body.clientWidth;  
windowHeight = document.body.clientHeight;  
}      
if(yScroll < windowHeight){  
pageHeight = windowHeight;  
} else {   
pageHeight = yScroll;  
}  
if(xScroll < windowWidth){      
pageWidth = windowWidth;  
} else {  
pageWidth = xScroll;  
}  
arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)   
return arrayPageSize;  
}  
//广告脚本文件 AdMove.js  
/* 
例子 
<div id="Div2"> 
***** content ****** 
</div> 
var ad=new AdMove("Div2"); 
ad.Run(); 
*/  
////////////////////////////////////////////////////////  
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 = 25;//移动速度  
interval=setInterval(obj.CustomMethod,delay);  
obj.onmouseover=function(){clearInterval(interval);}  
obj.onmouseout=function(){interval=setInterval(obj.CustomMethod, delay);}  
}  
}