self.onerror = null;


function turn_on()
{
    if (!top.loaded)
    {
        setTimeout("turn_on();",100);
    }
    else if (self.document.images)
    {
       	top.Mitte.Navbar.document.images["top1k"].src = top.punkt_on.src;
	top.Mitte.Navbar.document.all.top1.className = "navbar-on";	
    }

    return true;
}

function turn_off()
{
    if (!top.loaded)
    {
        setTimeout("turn_on();",100);
    }
    else if (self.document.images)
    {
       	top.Mitte.Navbar.document.images["top1k"].src = top.punkt_off.src;
	top.Mitte.Navbar.document.all.top1.className = "navbar-off";
    }

    return true;
}