function setiframetype()
{
    var hdnType = document.getElementById('hdnType');
    var iframeholder = document.getElementById("iframeholder");
    var iframecontrols = document.getElementById("iframecontrols");
    var logoInfoMont = document.getElementById("logoInfoMont");
    var searchTrekDep = document.getElementById("searchTrekDep");
    var searchTrekArriv = document.getElementById("searchTrekArriv");
    var hdnSuggestWidth = document.getElementById("hdnSuggestWidth");
    if(hdnType.value == "normal")
    {
        // do nothing.
    }
    else if(hdnType.value == "wide" || hdnType.value == "narrow")
    {
        iframeholder.className = "borderColor iframeholder" + hdnType.value;
        iframecontrols.className = "iframecontrols" + hdnType.value;
        logoInfoMont.className = "logoInfoMont" + hdnType.value;
        searchTrekDep.className = "searchTrekDep" + hdnType.value;
        searchTrekArriv.className = "searchTrekArriv" + hdnType.value;
    }
    
    if(hdnType.value == "wide")
    {
        var searchTrekButton = document.getElementById("searchTrekButton");
            searchTrekButton.className = "hSearchTreksWide";
    }
    
    if(hdnType.value == "narrow")
    {
        hdnSuggestWidth.value = "157px";
    }
}