function winOpen(url,title,w_width,w_height) {
features = "resizable=yes,toolbar=no,location=no,status=yes,width=" + w_width + ",height=" + w_height + ",directories=no,scroll=no,scrollbars=yes,menubar=yes,left=10,top=10";
contentWin = window.open(url,title,features);
contentWin.focus();
}