title: google map thinks i'm sending automated requests
body: <p>My web site uses google maps</p>
  
  <p>and i'm simply showing the map with some markers for a search results
  we are stil in beta so only employees know where the site is, so there is not much traffic.</p>
  
  <p>what happens when the page is called we do a search then render the page in js we build the marker to be added but ...</p>
  
  <p>sometimes we get the error 503 when trying to load the map
   with this content</p>
  
  <pre><code>&lt;html&gt;
  &lt;head&gt;
  &lt;meta http-equiv="content-type" content="text/html; charset=utf-8"/&gt;
  &lt;title&gt;Sorry...&lt;/title&gt;
  &lt;style&gt;body { font-family: verdana, arial, sans-serif; background-color: #fff; color: #000; }&lt;/style&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;div&gt;&lt;table&gt;
  &lt;tr&gt;&lt;td&gt;&lt;b&gt;&lt;font face=times color=#0039b6 size=10&gt;G&lt;/font&gt;&lt;font face=times color=#c41200 size=10&gt;o&lt;/font&gt;&lt;font face=times color=#f3c518 size=10&gt;o&lt;/font&gt;&lt;font face=times color=#0039b6 size=10&gt;g&lt;/font&gt;&lt;font face=times color=#30a72f size=10&gt;l&lt;/font&gt;&lt;font face=times color=#c41200 size=10&gt;e&lt;/font&gt;&lt;/b&gt;&lt;/td&gt;
  &lt;td style="text-align: left; vertical-align: bottom; padding-bottom: 15px; width: 50%"&gt;
  &lt;div style="border-bottom: 1px solid #dfdfdf;"&gt;Sorry...&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;
  &lt;div style="margin-left: 4em;"&gt;
  &lt;h1&gt;We're sorry...&lt;/h1&gt;
  &lt;p&gt;... but your computer or network may be sending automated queries.
  To protect our users, we can't process your request right now.
  &lt;/p&gt;
  
  &lt;form action="Captcha" method="get"&gt;
  &lt;input type="hidden" name="continue" value="http://maps.google.com/maps?file=api&amp;apikey [blablabla]"&gt;
  &lt;input type="hidden" name="id" value="928[blablabla]6"&gt;
  &lt;table cellpadding="4" cellspacing="0" border="0"&gt;
  &lt;tr&gt;&lt;td valign="top" align="left"&gt;
  &lt;font color="#aa1002"&gt;
  &lt;b&gt;To continue searching, please type the characters you see below:&lt;/b&gt;
  &lt;/font&gt;
  &lt;input type="text" name="captcha" value="" id="captcha" size="12"&gt;
  &lt;input type="submit" name="submit" value="I'm human!"&gt;
  &lt;/td&gt;&lt;/tr&gt;
  &lt;tr&gt;&lt;td&gt;
  &lt;div align="right"&gt;
  &lt;img src="/sorry/image?id=928671[blablabla]6&amp;amp;hl=en" border="1" alt="Please enable images on your browser."&gt;
  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
  &lt;/form&gt;
  
  
  &lt;/div&gt;
  &lt;div style="margin-left: 4em;"&gt;
  See &lt;a href="http://www.google.com/support/bin/answer.py?answer=86640"&gt;Google Help&lt;/a&gt; for more information.&lt;br/&gt;&lt;br/&gt;&lt;/div&gt;
  &lt;div style="text-align: center; border-top: 1px solid #dfdfdf;"&gt;
  &amp;copy; 2009 Google - &lt;a href="http://www.google.com"&gt;Google Home&lt;/a&gt;
  &lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>what could be causing it ?</p>