function popIt(url,name,w,h) {
 wprops ="menubar=no,scrollbars=no,location=no,favorites=no,resizable=yes,status=yes,toolbar=no,directories=no";
 width=w; height=h;
 wleft = (screen.width-width)/2;
 wtop = (screen.height-(height+110))/2;
 window.open(url, name, "width="+width+",height="+height+",left="+wleft+",top="+wtop+","+wprops);
}