diff --git a/db/install.xml b/db/install.xml
index 5b8a232..1581fe4 100644
--- a/db/install.xml
+++ b/db/install.xml
@@ -4,66 +4,66 @@
     xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
 >
   <TABLES>
-    <TABLE NAME="customcert" COMMENT="Defines customcerts" NEXT="customcert_issues">
+    <TABLE NAME="customcert" COMMENT="Defines customcerts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="requiredtime"/>
-        <FIELD NAME="requiredtime" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="requiredtime"  NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
+        <FIELD NAME="requiredtime" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert"/>
       </KEYS>
     </TABLE>
-    <TABLE NAME="customcert_issues" COMMENT="Stores each issue of a customcert" PREVIOUS="customcert" NEXT="customcert_pages">
+    <TABLE NAME="customcert_issues" COMMENT="Stores each issue of a customcert">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="customcertid"/>
-        <FIELD NAME="customcertid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="code"/>
-        <FIELD NAME="code" TYPE="char" LENGTH="40" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="customcertid" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="code"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="customcertid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="code" TYPE="char" LENGTH="40" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
       </FIELDS>
       <KEYS>
-        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert_issues" NEXT="customcert"/>
-        <KEY NAME="customcert" TYPE="foreign" FIELDS="customcertid" REFTABLE="customcert" REFFIELDS="id" PREVIOUS="primary"/>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert_issues"/>
+        <KEY NAME="customcert" TYPE="foreign" FIELDS="customcertid" REFTABLE="customcert" REFFIELDS="id"/>
       </KEYS>
     </TABLE>
-    <TABLE NAME="customcert_pages" COMMENT="Stores each page of a custom cert" PREVIOUS="customcert_issues" NEXT="customcert_elements">
+    <TABLE NAME="customcert_pages" COMMENT="Stores each page of a custom cert">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false" NEXT="customcertid"/>
-        <FIELD NAME="customcertid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="orientation"/>
-        <FIELD NAME="orientation" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="customcertid" NEXT="width"/>
-        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="orientation" NEXT="height"/>
-        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="width" NEXT="pagenumber"/>
-        <FIELD NAME="pagenumber" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="height" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pagenumber"  NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false"/>
+        <FIELD NAME="customcertid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="orientation" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="pagenumber" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
       </FIELDS>
       <KEYS>
-        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert_pages" NEXT="customcert"/>
-        <KEY NAME="customcert" TYPE="foreign" FIELDS="customcertid" REFTABLE="customcert" REFFIELDS="id" PREVIOUS="primary"/>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert_pages"/>
+        <KEY NAME="customcert" TYPE="foreign" FIELDS="customcertid" REFTABLE="customcert" REFFIELDS="id"/>
       </KEYS>
     </TABLE>
-    <TABLE NAME="customcert_elements" COMMENT="Stores the elements for a given page" PREVIOUS="customcert_pages">
+    <TABLE NAME="customcert_elements" COMMENT="Stores the elements for a given page">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false" NEXT="pageid"/>
-        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="element"/>
-        <FIELD NAME="element" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="pageid" NEXT="data"/>
-        <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="element" NEXT="font"/>
-        <FIELD NAME="font" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="data" NEXT="size"/>
-        <FIELD NAME="size" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="font" NEXT="colour"/>
-        <FIELD NAME="colour" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="size" NEXT="posx"/>
-        <FIELD NAME="posx" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="colour" NEXT="posy"/>
-        <FIELD NAME="posy" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="posx" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="posy"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" ENUM="false"/>
+        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="element" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="font" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="size" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="colour" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="posx" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="posy" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" ENUM="false"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false"/>
       </FIELDS>
       <KEYS>
-        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert_elements" NEXT="page"/>
-        <KEY NAME="page" TYPE="foreign" FIELDS="pageid" REFTABLE="customcert_pages" REFFIELDS="id" PREVIOUS="primary"/>
+        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for customcert_elements"/>
+        <KEY NAME="page" TYPE="foreign" FIELDS="pageid" REFTABLE="customcert_pages" REFFIELDS="id"/>
       </KEYS>
     </TABLE>
   </TABLES>