fix html markup errors and update code

latham

2011-11-10 6ef2d9cbd7d7ecfcfd8fefb9bc249b84a2302d54

 server/plugins-available/squid_plugin.inc.php

@@ -41,7 +41,7 @@
   function onInstall() {
      global $conf;
      
      if($conf['services']['proxy'] == true && $conf['squid']['installed'] == true) {
      if(isset($conf['services']['proxy']) &&$conf['services']['proxy'] == true && isset($conf['squid']['installed']) && $conf['squid']['installed'] == true) {
         return true;
      } else {
         return false;