/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
Hier wird die Diashow abgehandelt
*/

var cTopImgPath = "slideshow/";

window.addEvent('domready', function(){
  var ssSlideShow = function (){
    if(globalI%2 == 0){
      oldDiv = "backgroundImage1";
      newDiv = "backgroundImage2";
    }else{
      oldDiv = "backgroundImage2";
      newDiv = "backgroundImage1";
    }
    $(newDiv).empty();
    var newImg = new Element('img', {
      'src': "images/" + cTopImgPath + aImg[globalI%nTopImgCount],
      'alt': "Stadtsiluette. Ein starkes Land. Für Bremen und Bremerhaven begeistern.",
      'border': 0
    });
    $(newDiv).grab(newImg);
    $(oldDiv).get('tween', {
      property: 'opacity',
      duration: '2000'
    }).start(0);
    $(newDiv).get('tween', {
      property: 'opacity',
      duration: '2000'
    }).start(1);

    globalI++;
    ssSlideShow.delay(5000, null, globalI);
  }
  aImg = new Array();
  for (var j=0; j<nTopImgCount; j++){
    aImg[j] = j + ".jpg";
  }

  var globalI = 0;
  if (nTopImgCount > 1) ssSlideShow.delay(3000, null);
});