function StartWWH() {
        var Startdate = document.getElementById("fd").value + '-' + document.getElementById("fm").value + '-' + 		document.getElementById("fy").options[document.getElementById("fy").selectedIndex].text;
        var Enddate = document.getElementById("td").value + '-' + document.getElementById("tm").value + '-' + document.getElementById("ty").options[document.getElementById("ty").selectedIndex].text;
        var NrRooms = document.getElementById("numrooms").options[document.getElementById("numrooms").selectedIndex].text
        var NrAdults = document.getElementById("adults").options[document.getElementById("adults").selectedIndex].text
        var NrChildren = document.getElementById("child").options[document.getElementById("child").selectedIndex].text
        var HotelCode = 'HERITAGE'
        var Lang = '1'
        var url = 'http://www.2010.winner-webhotel.com/booking_engine/be_availability.aspx?status=4&id=' + HotelCode
                        + '&lang=' + Lang
                        + '&From=' + Startdate
                        + '&To=' + Enddate
                        + '&Rms=' + NrRooms
                        + '&Ad=' + NrAdults
                        + '&Ch2=' + NrChildren;
        var wscreen = 980;
        var hscreen = 680;
        var leftsize = (screen.width - wscreen) / 2;
        var topsize = (screen.height - hscreen) / 2;
        var options = "width=" + wscreen + ",height=" + hscreen + ",left=" + leftsize + ",scrollbars=1,resizable=1, top=" + topsize;
        window.open(url, 'Heritage', options);
       
    }