How can I make a button avoid the mouse in hta?

I have tried many ways to make the button avoid the mouse. I have tried all the onmouse functions, yet they don't seem to work, btw I am trying to make the button get the size of the computers screen, and make the button move all around the screen. Here is the code that I have:

<body onload="WindowResize()">

<div class="align-topleft">
    <button onmouseover="moveObj(this)" id="ClickMe" class="btn" type="button">Click Me...</button>
</div>

<script>
function moveObj(obj){
var w = window.screen.width, h = window.screen.height; // width and height
newWidth = Math.floor(Math.random() * w);
newHeight = Math.floor(Math.random() * h);
obj.style.position="absolute";
obj.style.left=newWidth+"px";
obj.style.top=newHeight+"px";
}
function checkObj(event,obj){
var top = obj.style.top.split("px")[0];
var left = obj.style.left.split("px")[0];
if(top+5 > event.y || left+5 > event.x){moveObj(obj);}
}
//--></script>

<script>
function WindowResize()
{
    window.screen.width
    window.screen.height
}
</script>

</body>
</html>

Solution

It's easier if you make use of the HTA:Application option windowState=maximize. You also need an adjustment after each random to ensure the entire button is on screen. Here's the cleaned up code:

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=9">
<hta:application
  id=oHTA
  windowState=maximize
  border=none
  scroll=no
>
<style>
.btn {width:100px}
</style>
</head>
<body>
<script>    
var w = window.screen.width, h = window.screen.height;

function moveObj(obj){
  newWidth = Math.floor(Math.random() * w);
  newHeight = Math.floor(Math.random() * h);
  if(newWidth>w-100){newWidth=newWidth-100;}
  if(newHeight>h-20){newHeight=newHeight-20;}
  obj.style.position="absolute";
  obj.style.left=newWidth+"px";
  obj.style.top=newHeight+"px";
}
function checkObj(event,obj){
  var top = obj.style.top.split("px")[0];
  var left = obj.style.left.split("px")[0];
  if(top+5 > event.y || left+5 > event.x){moveObj(obj);}
}
</script>

<div class="align-topleft">
    <button onmouseover="moveObj(this)" id="ClickMe" class="btn" type="button">Click Me...</button>
</div>
</body>
</html>

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