function switchBlock(id) 
{ 
    if(document.getElementById('news_' + id).style.display=="none") 
    { 
        document.getElementById('news_' + id).style.display = "block";
        document.getElementById('prev_' + id).style.display = "none";
    } 
    else 
    { 
        document.getElementById('news_' + id).style.display = "none";
        document.getElementById('prev_' + id).style.display = "block";
    } 
}

function kundenart(id)
{
	if ( id == "Privatkunden" )
	{
		document.getElementById('select_Privatkunden').style.display = "block";
		document.getElementById('select_Firmenkunden').style.display = "none";
	}
	
	if ( id == "Firmenkunden" )
	{
		document.getElementById('select_Firmenkunden').style.display = "block";
		document.getElementById('select_Privatkunden').style.display = "none";
	}
}

function switchGlossar(id) 
{ 
    if(document.getElementById(id).style.display=="none") 
    { 
        document.getElementById(id).style.display = "block";
    } 
    else 
    { 
        document.getElementById(id).style.display = "none";
    } 
}