function displayWindow(url, width, height) {
    var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',left=' + Math.ceil(screen.width/2-width/2) + ',top=' + Math.ceil(screen.height/2-height/2) + ',resizable=0,scrollbars=0,menubar=0,toolbar=0,status=1');
}