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; 
} 

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 = 10; 
interval=setinterval(obj.custommethod,delay); 
obj.onmouseover=function(){clearinterval(interval);} 
obj.onmouseout=function(){interval=setinterval(obj.custommethod, delay);} 
} 
}