changeDynamicHotelTab = function(param) {

    var x = document.getElementById("hotelcurrentTab");
    var y = document.getElementById("hotelTabButton_Container_" + param);
    var z = document.getElementById("hotelTab_Content_Container_" + param);

    var yTmp = document.getElementById("hotelTabButton_Container_" + x.value);
    var zTmp = document.getElementById("hotelTab_Content_Container_" + x.value);

    yTmp.style.backgroundImage = "url(img/tab2.png)";

    y.style.backgroundImage = "url(img/tab2.png)";

    y.className = 'whiteStyle_14px';
    yTmp.className = 'blackStyle_14px';

    zTmp.style.display = 'none';
    z.style.display = "";

    x.value = param;

}

changeDynamicTab = function(param) {

    var x = document.getElementById("currentTab");
    var y = document.getElementById("mainTabButton_Container_" + param);
    var z = document.getElementById("mainTab_Content_Container_" + param);

    var yTmp = document.getElementById("mainTabButton_Container_" + x.value);
    var zTmp = document.getElementById("mainTab_Content_Container_" + x.value);

    yTmp.style.backgroundImage = "url(img/tab2.png)";

    y.style.backgroundImage = "url(img/tab2.png)";

    y.className = 'whiteStyle_14px';
    yTmp.className = 'blackStyle_14px';

    zTmp.style.display = 'none';
    z.style.display = "";

    x.value = param;

}

openAgeCombos = function() {

    var x = document.getElementById("cmb_child");

    var t = x.options[x.selectedIndex].value;

    document.getElementById("cmb_age0").style.visibility = "hidden";
    document.getElementById("cmb_age1").style.visibility = "hidden";
    document.getElementById("cmb_age2").style.visibility = "hidden";
    document.getElementById("cmb_age3").style.visibility = "hidden";

    if (t !== "0") {

        for (i = 0; i < t; i++) {

            document.getElementById("cmb_age" + i).style.visibility = "visible";

        }

    }

}