function show_melder_neu()
{
 var URL = "http://" + location.host + location.pathname;
 window.location.href = URL + "?status=0";
}

function show_melder_update()
{
 var URL = "http://" + location.host + location.pathname;
 window.location.href = URL + "?status=1";
}

function show_melder_alle()
{
 var URL = "http://" + location.host + location.pathname;
 window.location.href = URL;
}