// open Hotelpartner window
function openHotelpartner() {
    var showUrl = 'http://hotels.ferium.de/partner/index.html';
    var wndProperties = 'width=790,height=610,scrollbars=0,menubar=0,resizeable=0,toolbar=0';
    var wndHotelpartner = window.open(showUrl, 'whotelpartner', wndProperties);
}

// open Impressum window
function openImpressum() {
    var showUrl = 'impressum.php';
    var wndProperties = 'width=600,height=560,scrollbars=0,menubar=0,resizeable=0,toolbar=0';
    var wndImpressum = window.open(showUrl, 'wimpressum', wndProperties);
}

// open Email window
function openEmail(hid, bid) {
    var showUrl = 'hotel_email.php?hid=' + hid + '&bid=' + bid;
    var wndProperties = 'width=281,height=280,scrollbars=0,menubar=0,resizeable=0,toolbar=0';
    var wndEmail = window.open(showUrl, 'wemail', wndProperties);
}

// open Info window
function openInfo(hid, bid) {
    var showUrl = 'hotel_info.php?hid=' + hid + '&bid=' + bid;
    var wndProperties = 'width=281,height=440,scrollbars=0,menubar=0,resizeable=0,toolbar=0';
    var wndInfo = window.open(showUrl, 'winfo', wndProperties);
}