//ADD THE LINES BELOW INTO THE HEAD TAG OF YOUR DOCUMENT
<script language="javascript" type="text/javascript">
function popopen()
{
window.open("http://whitelegs.info/player/frame.php","","location=0,status=0,scrollbars=0,width=260,height=372");
} 
</script>
//END OF CODE THAT HAS TO BE COPYED IN HEAD

//ADD THE LINES BELOW INTO THE BODY TAG OF YOUR DOCUMENT
<button onclick="popopen()" value="Open player">Open player</button>
//END OF CODE THAT HAS TO BE COPYED IN BODY