sed for checking and requesting new tiles while dragging the map), optionally passing the scope (<code>context</code>) in which the function will be called.</td>
	</tr>

	<tr>
<td><code><b>falseFn</b>()</code></td>
<td><code>Function</code></td>
<td>Returns a function which always returns <code><span class="literal">false</span></code>.</td>
	</tr>
	<tr>
<td><code><b>formatNum</b>(
<nobr>&lt;Number&gt; <i>num</i></nobr>,
<nobr>&lt;Number&gt; <i>digits</i> )</nobr>
</code></td>

<td><code>Numbe