diff --git a/docs/graficos/parcelas.js b/docs/graficos/parcelas.js
index 4a87cd9..d378590 100644
--- a/docs/graficos/parcelas.js
+++ b/docs/graficos/parcelas.js
@@ -26,8 +26,8 @@ function setup() {
   pg = createGraphics(800, 519);
   var as = 519. / 800.;
   var zoom = .8;
-  var w = document.innerWidth*zoom;
-  var h = document.innerHeight*as*zoom;
+  var w = windowidth*zoom;
+  var h = windowHeight*as*zoom;
 
   createCanvas(w,h);
   nombres = new Array("Norte","Duero","Ebro","Pirineo","Jucar","Tajo","Guadiana","Guadalquivir","Sur", "Segura", "Baleares y Canarias");
diff --git a/docs/images/modulo-carro.jpg b/docs/images/modulo-carro.jpg
new file mode 100644
index 0000000..39daf19
Binary files /dev/null and b/docs/images/modulo-carro.jpg differ