Changed the default "type" of form_button() to "button" from "submit" in the form helper.
diff --git a/user_guide/helpers/form_helper.html b/user_guide/helpers/form_helper.html
index 8504ac0..ae3b07e 100644
--- a/user_guide/helpers/form_helper.html
+++ b/user_guide/helpers/form_helper.html
@@ -350,7 +350,7 @@
 echo form_button('name','content');<br />
 <br />
 // Would produce<br />
-&lt;button name="name" type="submit"&gt;Content&lt;/button&gt;
+&lt;button name="name" type="button"&gt;Content&lt;/button&gt;
 </code>
 
 Or you can pass an associative array containing any data you wish your form to contain: