diff --git a/scripts/javascript/examples/cynosure.js b/scripts/javascript/examples/cynosure.js
index 199b41af..2071628e 100644
--- a/scripts/javascript/examples/cynosure.js
+++ b/scripts/javascript/examples/cynosure.js
@@ -38,10 +38,7 @@ THRESHOLD = 100;
 i = 0;
 
 colors = new Array(0xa03000ff, 0x006000ff, 0x336000ff, 0x00ff00ff, 0xc20000ff, 0x0000c0ff, 0xc0c0c0ff, 0x30f0f0ff, 0x00ff90ff);
-width=200; height=600;
-width=1024; height=768;
-width=800; height=800;
-width=400; height=300;
+width=width(); height=height();
 
 cyno_geo = new GeometryLayer();
 cyno_geo.activate(true);
diff --git a/scripts/javascript/examples/test_rand.js b/scripts/javascript/examples/test_rand.js
index aa27107f..f7e1d9d8 100644
--- a/scripts/javascript/examples/test_rand.js
+++ b/scripts/javascript/examples/test_rand.js
@@ -3,8 +3,8 @@
 // and smart use of function pointers
 // (C)2005 Denis Jaromil Rojo - GNU GPL 
 
-width =  400;
-height = 300;
+width =  width();
+height = height();
 
 function draw_pixels(rand_geo) {
   var x, y;