js compatibility for firefox and android browser

svn path=/trunk/; revision=131

diff --git a/static/therapy_draw.js b/static/therapy_draw.js
index 8266ac50d3429ff394169a918fbde0aadbb10a2e..8a8e936c6873b443a0d7ba0799b491e7f5d50f7e 100644 (file)
--- a/static/therapy_draw.js
+++ b/static/therapy_draw.js
@@ -74,12 +74,8 @@ function drawstart(x, y) {
 
   stx=relX(x), sty=relY(y)
 
-  document.getElementsByName("penwidth").forEach(
-    function(x, y, z){ if (x.checked) setstroke(x.value); }
-  );
-  document.getElementsByName("color").forEach(
-    function(x, y, z){ if (x.checked) setcol(x.value); }
-  );
+  setstroke(document.querySelector('input[name="penwidth"]:checked').value);
+  setcol(document.querySelector('input[name="color"]:checked').value);
 
   image.beginPath()
   draw(x, y)  // why must this not use relative Coords ???