[Add a donation button and link to front page.
Eric Kow <kowey@darcs.net>**20111123165156
 Ignore-this: 7249c0e13698a88502ba4f8bfc962baf
] hunk ./doc/index.html 73
+      <li><a href="donations.html">Donate</a> to Darcs
+        <script type="text/javascript">
+          function validateAmount(amount){
+            if(amount.value.match( /^[0-9]+(\.([0-9]+))?$/)){
+              return true;
+            }else{
+              alert('You must enter a valid donation.');
+              amount.focus();
+              return false;
+            }
+          }
+        </script>
+        <form action="https://checkout.google.com/cws/v2/Donations/622836985124940/checkoutForm" id="BB_BuyButtonForm" method="post" name="BB_BuyButtonForm" onSubmit="return validateAmount(this.item_price_1)">
+          <input name="item_name_1" type="hidden" value="Darcs Donation via Software Freedom Conservancy"/>
+          <input name="item_description_1" type="hidden" value="Donation to the Darcs project via the Software Freedom Conservancy, Inc., a 501(c)(3) charitable organization in the USA."/>
+          <input name="item_quantity_1" type="hidden" value="1"/>
+          <input name="item_currency_1" type="hidden" value="USD"/>
+          <input name="item_is_modifiable_1" type="hidden" value="true"/>
+          <input name="item_min_price_1" type="hidden" value="5.0"/>
+          <input name="item_max_price_1" type="hidden" value="25000.0"/>
+          <input name="_charset_" type="hidden" value="utf-8"/>
+          <table cellpadding="5" cellspacing="0" width="1%">
+            <tr>
+              <td align="right" nowrap="nowrap" width="1%">&#x24;
+                <input id="item_price_1" name="item_price_1" onfocus="this.style.color='black'; this.value='';" size="11" style="color:grey;" type="text" value="Enter Amount"/>
+              </td>
+              <td align="left" width="1%">
+                  <input alt="Donate" src="https://checkout.google.com/buttons/donateNow.gif?merchant_id=622836985124940&amp;w=115&amp;h=50&amp;style=white&amp;variant=text&amp;loc=en_US" type="image"/>
+              </td>
+            </tr>
+          </table>
+        </form>
+        </li>
+