<center><button style="background-color:red;height:25px;width:80px;" onmouseDown="alert('Отлично, мы планируем понижение её на 30% !!!');parent.location='http://ssilki.at.ua'" value="ДА!!!">ДА!!!</button>
<SPAN id="button1" style="position:relative;z-index:10" onmouseOver="moveIt()" onfocus="moveIt();this.blur()">
<button style="background-color:lightgreen;height:25px; width:80px;" onmouseDown="moveIt()" onmouseover="moveIt()" onfocus="moveIt();this.blur()">Нет</button>
</SPAN></P>
</center>
<script>
function getObj(objID)
{
      if (document.getElementById) {return document.getElementById(objID);}
      else if (document.all) {return document.all[objID];}
      else if (document.layers) {return document.layers[objID];}
}

var ie4=document.all
var ns6=document.getElementById&&!document.all
cobj=getObj("button1");

function moveIt(){
y=Math.floor(Math.random()*301);
x=Math.floor(Math.random()*401);
if (ie4){
   cobj.style.top  = y;
   cobj.style.left = x;
   }
else if (ns6){
   cobj.style.top  = y+"px";
   cobj.style.left = x+"px";
   }
}
</script>