function openWindow(url, height, width) {
    var theURL = url;
    var window_top = (screen.height - height) / 2;
    var window_left = (screen.width - width) / 2;
    var newfeatures = 'scrollbars=yes,resizable=yes,toolbar=no,location=no,status=no,menubar=no, width=' + width + ',height=' + height + ',top=' + window_top + ',left=' + window_left;
    var newWindow = window.open(theURL, 'Popup', newfeatures);
    newWindow.focus();
}
function openNewWindow(url, height, width) {
    var theURL = url;
    var window_top = (screen.height - height) / 2;
    var window_left = (screen.width - width) / 2;
    var newfeatures = 'scrollbars=yes,resizable=yes,toolbar=no,location=no,status=no,menubar=no, width=' + width + ',height=' + height + ',top=' + window_top + ',left=' + window_left;
    var newWindow = window.open(theURL, '_blank', newfeatures);
    newWindow.focus();
}
function openNewAndClose(url) {
    window.open(url, '_blank');
    window.close();
}
function hotelChange(ref) {
    __doPostBack(ref, '');
}