function iframelink()
{
    var passedName = unescape(window.location.search);
    var lengthOfPassedName=passedName.length;
    if (lengthOfPassedName > 1)
    {
        linkiframe=passedName.substring(1,lengthOfPassedName);
        window.iframe.location = linkiframe;
        //window.iframe.location = "willkommen/willkommen.htm";
    }
    else
    {
        window.iframe.location = "firma/firma.htm";
    }
}