//
//


var pics = {
  init: function(){
    pics.img1 = $('main-slide');
		pics.img2 = $('back-slide');
		pics.fade = true;
    setTimeout("pics.launch();",300);
	  pics.pos = 1;
		pics.total = this.getPicsLength();
		this.refreshInterval();
  },
  
  launch: function(){
		pics.showing = pics.img1;
		if(!pics.showing) return;
		var src = pics.showing.src.split('/images/');
		pics.notShowing = pics.img2;
  },
	
	getPicsLength: function(){
		return 6;		
	},
	
	refreshInterval: function(){
	  clearInterval(pics.interval);
		pics.interval = setInterval(pics.nextImage, 13000);
	},
	
	nextImage: function(){
	  pics.pos++;
		if(pics.pos > pics.total) pics.pos = 1;
		var path = pics.pos.toString();
		path = (path.length == 1)? '00' + path + '.jpg' : '0' + path + '.jpg';
		var src = pics.notShowing.src.split('/slides/');
		var s = src[0] + '/slides/';
		s += path;
		pics.notShowing.src = s;
		if(pics.showing == pics.img1){
			new Effect.Opacity('main-slide', { from: 1, to: 0, duration: 0.8 });
		} else {
			new Effect.Opacity('main-slide', { from: 0, to: 1, duration: 0.8 });
		}
		pics.swapShowing();
	},
  
  swapShowing: function(){
    if(pics.showing == pics.img1){
			pics.showing = pics.img2;
			pics.notShowing = pics.img1;
		} else {
			pics.showing = pics.img1;
			pics.notShowing = pics.img2;
		}
  }
};

//if(window.location.toString().indexOf('home') ==-1){
  Event.observe(window, "load", pics.init.bindAsEventListener(pics));
//}