// JavaScript Document
window.addEvent('domready', function(){
    var anim = new Animacion('http://www.lanzarote-tour.com/fotos_banner/index/',12);
    anim.inicia();
});

function Animacion(base,max){   
    this.base = base;
    this.cont = 1;
    this.img1 = true;
    this.maximo = max;
    this.inicia = function(){      
        (function(){
            this.cont++; 
            if(this.cont > this.maximo)
                this.cont = 1;
            var im = 'img1';
            var prefix = this.cont+'.jpg';
            if(this.cont<10)
                prefix = '0'+this.cont+'.jpg';
            if(this.img1){
                this.img1 = false;
                im = 'img2';
            }else
                this.img1 = true;
            $(im).style.backgroundImage = 'url('+this.base+'/'+prefix+')';
            new Fx.Style(im, 'opacity').set(0);
            
            (function(){
                var x = new Fx.Style('img1', 'opacity');
                var y = new Fx.Style('img2', 'opacity');
                if(this.img1){
                    x.start(0,1);
                    y.start(1,0);
                }else{
                    x.start(1,0);
                    y.start(0,1);
                }
                
             }
            ).delay(1000,this);
         }
        ).periodical(5000,this);
    }
}