var header_flag = 0;

function showbanner(bn)
{
  show(bn);
}

function show(whichOne){
 // Das Herader-Flag auf 1 setzen bei mousover
 header_flag = 1;

 if($("div0").Effect) {
  $("div0").Effect.cancel();
 } if (whichOne != "div0" && $('div0').getStyle('opacity') > 0) {
  $("div0").Effect = new Effect.Opacity('div0', { from: 1, to: 0, duration: 0.4 });
 }
 if($("div1").Effect) {
  $("div1").Effect.cancel();
 } if (whichOne != "div1" && $('div1').getStyle('opacity') > 0) {
  $("div1").Effect = new Effect.Opacity('div1', { from: 1, to: 0, duration: 0.4 });
 }
 if($("div2").Effect) {
  $("div2").Effect.cancel();
 } if (whichOne != "div2" && $('div2').getStyle('opacity') > 0) {
  $("div2").Effect = new Effect.Opacity('div2', { from: 1, to: 0, duration: 0.4 });
 }
 if($("div3").Effect) {
  $("div3").Effect.cancel();
 } if (whichOne != "div3" && $('div3').getStyle('opacity') > 0) {
  $("div3").Effect = new Effect.Opacity('div3', { from: 1, to: 0, duration: 0.4 });
 }
 if($("div4").Effect) {
  $("div4").Effect.cancel();
 } if (whichOne != "div4" && $('div4').getStyle('opacity') > 0) {
  $("div4").Effect = new Effect.Opacity('div4', { from: 1, to: 0, duration: 0.4 });
 }
 if($("div5").Effect) {
  $("div5").Effect.cancel();
 } if (whichOne != "div5" && $('div5').getStyle('opacity') > 0) {
  $("div5").Effect = new Effect.Opacity('div5', { from: 1, to: 0, duration: 0.4 });
 }
 
 $(whichOne).Effect = new Effect.Opacity(whichOne, { from: 0, to: 1, duration: 0.4 });
 
 }

// Header-Flag checken ob die Maus sich auf einem der Buttons befindet
function checkflag () { 
 if (header_flag == 0) {
  show_default_header ();
 }
}

// Das Header-Flag auf 0 setzen bei mousout
function setflag(status) {
 header_flag = status;
 checkflag();
 //window.setTimeout("checkflag()",2000);
}

// Ueberblendung zu Default-Header
function show_default_header () {
 show('div0');
}