function Uml_mitte()
{
   if (window.name != 'mitte')
	{
          {document.location.href='index.html'};
    }

}

function Uml_oben()
{
   if (window.name != 'oben')
	{
          {document.location.href='index.html'};
    }

}

function Uml_unten()
{
   if (window.name != 'unten')
	{
          {document.location.href='index.html'};
    }

}

function Uml_adr()
{
   if (window.name != 'adr')
	{
          {document.location.href='index.html'};
    }

}

function Uml_gelbunten()
{
   if (window.name != 'gelbunten')
	{
          {document.location.href='index.html'};
    }

}

function Uml_gelboben()
{
   if (window.name != 'gelboben')
	{
          {document.location.href='index.html'};
    }

}