<!--
var browser , os , version ;

if (document.getElementById) // IE 5.x und NN 6
{browser = 'W3Cdom';}
if (document.layers) // NN 4.x
{browser = 'Netscape';}
if (document.all && !document.getElementById) // IE 4
{browser = 'Explorer';}
function zeigen(name)
{
if (browser=="W3Cdom"){document.getElementById(name).style.visibility="visible";}
if (browser=="Netscape"){document.layers[name].visibility="show";}
if (browser=="Explorer"){document.all[name].style.visibility="visible";}
}
function verbergen(name)
{
if (browser=="W3Cdom"){document.getElementById(name).style.visibility="hidden";}
if (browser=="Netscape"){document.layers[name].visibility="hide";}
if (browser=="Explorer"){document.all[name].style.visibility="hidden";}
}


//-->