if (document.images) 
{
img1 = new Image();
img2 = new Image();
img3 = new Image();
img4 = new Image();
img5 = new Image();
img6 = new Image();
img7 = new Image();
img8 = new Image();
img9 = new Image();
img10 = new Image();
img11 = new Image();
img12 = new Image();
img13 = new Image();
img1.src = "images/cucucabana.jpg"
img2.src = "images/cucucabana2.jpg"
img3.src = "images/cucucabana3.jpg"
img4.src = "images/cucucabana4.jpg"
img5.src = "images/cucucabana5.jpg"
img6.src = "images/cucucabana6.jpg"
img7.src = "images/cucucabana7.jpg"
img8.src = "images/cucucabana8.jpg"
img9.src = "images/cucucabana9.jpg"
img10.src = "images/cucucabana10.jpg"
img11.src = "images/cucucabana11.jpg"
img12.src = "images/cucucabana12.jpg"
img13.src = "images/cucucabana13.jpg"
}