function searchHandleOnClick()
{
    if(document.getElementById('searchbox').getAttribute('value') == 'Suchbegriff')
    {
        document.getElementById('searchbox').setAttribute('value','');
    }
}

function setVis(_id)
{
    document.getElementById(_id).style.visibility = 'visible';
}
function setInvis(_id)
{
    document.getElementById(_id).style.visibility = 'hidden';
}