Someone

<html>
<head>
<script>
create()
{
  var obj = document.getElementById("test");
  var w = document.myform.width.value;
  var h = document.myform.height.value;
  var bgcolor = document.myform.backgroundcolor.value;
  var brdsize = document.myform.bordersize.value;
  var brdcolor = document.myform.bordersize.value;
  obj.style.display = 'block';
  obj.style.width = w;
  obj.style.height = h;
  obj.style.backgroundColor = bgcolor;
  obj.style.borderSize = brdsize;
  obj.style.borderColor = brdcolor;
  document.write(w);
  document.write(h);
  document.write(bgcolor);
  document.write(brdsize);
  document.write(brdcolor);
}
</script>
</head>

<body>
<div id="test"></div>
<form name="myform">
width<input type="text" name="width" id="width">
<br />
height<input type="text" name="height" id="height">
<br />
background color<input type="text" name="backgroundcolor" id="backgroundcolor">
<br />
border size<input type="text" name="bordersize" id="bordersize">
<br />
border color<input type="text" name="bordercolor" id="bordercolor">
<input type="submit" onclick="create()">
</form>
</body>

</html>