function cambia(tipo,id){
	var str_img = "";
	var tipo_img = "img_lineas";
	if(tipo==2)
		tipo_img = "img_sectores";
	switch(id){
	
	case 1: str_img="foto14.jpg";
						break;
	
	
	case 2: str_img="foto15.jpg";
						break;
	
	
	case 3: str_img="foto16.jpg";
						break;
	
	
	case 4: str_img="foto17.jpg";
						break;
	
	
	case 5: str_img="foto18.jpg";
						break;
	
	
	case 6: str_img="foto19.jpg";
						break;
	
	
	case 7: str_img="foto20.jpg";
						break;
	
	
	case 8: str_img="foto21.jpg";
						break;
	
	
	case 9: str_img="foto22.jpg";
						break;
	
	
	case 10: str_img="foto23.jpg";
						break;
	
	
	case 11: str_img="foto24.jpg";
						break;
	
	
	case 12: str_img="foto25.jpg";
						break;
	
	
	case 26: str_img="foto26a.jpg";
						break;
	
	
	case 13: str_img="foto1.jpg";
						break;
	
	
	case 14: str_img="foto2.jpg";
						break;
	
	
	case 15: str_img="foto3.jpg";
						break;
	
	
	case 16: str_img="foto4.jpg";
						break;
	
	
	case 17: str_img="foto5.jpg";
						break;
	
	
	case 18: str_img="foto6.jpg";
						break;
	
	
	case 19: str_img="foto7.jpg";
						break;
	
	
	case 20: str_img="foto8.jpg";
						break;
	
	
	case 21: str_img="foto9.jpg";
						break;
	
	
	case 22: str_img="foto10.jpg";
						break;
	
	
	case 23: str_img="foto11.jpg";
						break;
	
	
	case 24: str_img="foto12.jpg";
						break;
	
	
	case 25: str_img="foto13.jpg";
						break;
	
		
	}
	var imatge = document.getElementById(tipo_img);
	imatge.src="img/galeria/"+str_img;
}