function PopupWraper(pageURL, w, h, left, top) {
    var bName = navigator.appName;
    var bVer = parseInt(navigator.appVersion);
    if (left == null) {
        left = (screen.width/2)-(w/2);
    }
    if (top == null) {
        top = (screen.height/2)-(h/2);
    }
    var targetWin;
    if (bName == "Netscape" && bVer >= 4) {
        targetWin = window.open(pageURL, 'PopUp', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, copyhistory=no, width='+w+', height='+h+', screenX='+left+', screenY='+top);
    } else {
        targetWin = window.open(pageURL, 'PopUp', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, copyhistory=no, width='+w+', height='+h+', top='+top+', left='+left);
    }
    return false;
}