var imgs = new Array(16); 
   	imgs[0] = "fileadmin/menu/m_surfari_n.png";
   	imgs[1] = "fileadmin/menu/m_surfari_h.png";
  	imgs[2] = "fileadmin/menu/m_sff_n.png";
   	imgs[3] = "fileadmin/menu/m_sff_h.png";
   	imgs[4] = "fileadmin/menu/m_cosmic_n.png";
   	imgs[5] = "fileadmin/menu/m_cosmic_h.png";
   	imgs[6] = "fileadmin/menu/m_salinas_n.png";
   	imgs[7] = "fileadmin/menu/m_salinas_h.png";
   	imgs[8] = "fileadmin/menu/m_noti_n.png";
   	imgs[9] = "fileadmin/menu/m_noti_h.png";
   	imgs[10] = "fileadmin/menu/fondo_contacto_n.png";
   	imgs[11] = "fileadmin/menu/fondo_contacto_h.png";
   	imgs[12] = "fileadmin/menu/fondo_cortos_n.png";
   	imgs[13] = "fileadmin/menu/fondo_cortos_h.png";
   	imgs[14] = "fileadmin/menu/noticias_t_n.png";
   	imgs[15] = "fileadmin/menu/noticias_t_h.png";
  
  	function preload() { 
  		var tmp = null; 
  		for (var j = 0; j < imgs.length; j++) { 
   			tmp = imgs[j]; 
   			imgs[j] = new Image(); 
   			imgs[j].src = tmp; 
  		} 
  	} 
  	void(preload()); 
  
  	// swap
  	function imgswap(img, swap) { 
  		img.src = imgs[swap].src; 
  	}