var image_path = "images/";
img = new MakeArray(10);
offs = new MakeArray(1);
ons = new MakeArray(1);


offs[0].src = image_path + "flecha-off.gif";

ons[0].src = image_path + "flecha-on.gif";


function MakeArray(n) {
  this.length = n;
  for (var i=0; i < n; i++) {
    this[i] = new Image;
  }
  return this;
}

function msover(name,num){
  document.images[name].src = ons[num].src;
}

function msout(name,num){
  document.images[name].src = offs[num].src;
}


img[0].src = image_path + "s_rojo.jpg";
img[1].src = image_path + "s_amarillo.jpg";
img[2].src = image_path + "s_azul.jpg";
img[3].src = image_path + "drch_rojo.jpg";
img[4].src = image_path + "drch_amarillo.jpg";
img[5].src = image_path + "drch_azul.jpg";
img[6].src = image_path + "enlaces.jpg";
img[7].src = image_path + "gente.jpg";

function changeImage0(){
	document.enlaces.src = img[6].src;
}
function changeImage0b(){
	document.enlaces.src = img[7].src;
}

function changeImage1(){
	document.semaforo.src = img[0].src;
	document.derecha.src = img[3].src;
}
function changeImage2(){
	document.semaforo.src = img[1].src;
	document.derecha.src = img[4].src;
}
function changeImage3(){
	document.semaforo.src = img[2].src;
	document.derecha.src = img[5].src;
}