/* 
if (top.frames.length==0) {
top.location.href='index.html';} */

function showLayer(LayerName)
{
  setVisibility(LayerName,'visible');
}

function hideLayer(LayerName)
{
  setVisibility(LayerName,'hidden');
}
function setVisibility(LayerName,Wert) {
  if(document.all || document.layers || document.getElementById) {
    var obj=document.all ? document.all[LayerName].style : document.layers ? document[LayerName] : document.getElementById(LayerName).style;
    obj.visibility = Wert;
  }
}

function NeuFenster() {
	 MeinFenster =
	 window.open("Zweitfenster","width=600,height=900,scrollbars");
	 MeinFenster.focus();  }