function ShowContent(element){
    Effect.toggle('Inhaltsbereich','appear');
}

function ShowEffect(element){
    new Effect.Opacity(element, 
    {duration:0.2, from:0.8, to:1.0});
}

function HideEffect(element){
    new Effect.Opacity(element, 
    {duration:0.2, from:1.0, to:0.8});
}

function SetEffect(element){
    new Effect.Opacity(element, 
    {duration:0, from:1.0, to:0.8});
}


function SetTransparency(element){
		new Effect.Opacity(element, { from: 1, to: 0, duration: 0.2 });
}		

function ReturnTransparency(element){
		new Effect.Opacity(element, { from: 0, to: 1, duration: 0.2 });
}