function switchmenu(Layer_Name) //Öffnet+schließt die Unterbereiche
{
	//alert(Layer_Name);
     var GECKO = document.getElementById? 1:0 ;
     var NS = document.layers? 1:0 ;
     var IE = document.all? 1:0 ;
     var i = -1;
     if (GECKO)
     {
		var element = document.getElementById(Layer_Name);
		if (element == null) return;
        document.getElementById(Layer_Name).style.display=(document.getElementById(Layer_Name).style.display=='block') ? 'none' : 'block';
     }
     else if (NS)
     {
        document.layers[Layer_Name].display=(document.layers[Layer_Name].display=='block') ? 'none' : 'block';
     }
     else if (IE)
     {
        document.all[Layer_Name].style.display=(document.all[Layer_Name].style.display=='block') ? 'none' : 'block';
     }
//		alert(Layer_Name);
//		setcookie(Layer_Name);
}

function hide(Layer_Name)
{
     var GECKO = document.getElementById? 1:0 ;
     var NS = document.layers? 1:0 ;
     var IE = document.all? 1:0 ;
     var i = -1;
     if (GECKO)
     {
		var element = document.getElementById(Layer_Name);
		if (element == null) return;
        document.getElementById(Layer_Name).style.display='none' ;
     }
     else if (NS)
     {
        document.layers[Layer_Name].display='none';
     }
     else if (IE)
     {
        document.all[Layer_Name].style.display='none';
     }

}