/*<![CDATA[*/

function popup( url, w, h ) {
var left = (screen.width - w) / 2;
var top = (screen.height - h) / 2;
window.open(url,null,
    "height="+h+",width="+w+",left="+left+",top="+top+",status=no,scrollbars=yes,toolbar=no,menubar=no,location=no");
}

/*]]>*/