function openWindow(url, w, h, myresizeable, myscrollbars,target) {
    var options = "width=" + w + ",height=" + h + ",";
    options += "resizable=" +  myresizeable + ",scrollbars=" + myscrollbars + ",status=no,";
    options += "menubar=no,toolbar=no,location=no,directories=no";
    var newWin = window.open(url, target, options);
    newWin.focus();
 }