HTML/CSS/CSS Attributes and Javascript Style Properties/posWidth
"posWidth" Example
<html>
<body>
<head>
<script language="JavaScript">
function function1(){
myDiv.style.posWidth = 200
}
</script>
</head>
<body>
<div id="myDiv"
style="background-color:#EEEEEE;
position:absolute;
cursor:hand";
onmouseover="function1()"
onclick="this.style.posWidth=900">
Move your mouse in and click to set the posWIdth.
</div>
</body>
</html>