Rotators Document Type Definition

<?xml version="1.0" encoding="utf-8"?>
<!ELEMENT Rotators (AdRotator|ImageRotator)*>
<!ELEMENT AdRotator (Ad+)>
<!ATTLIST AdRotator Id ID #IMPLIED>
<!ELEMENT ImageRotator (Image+)>
<!ATTLIST ImageRotator Id ID #IMPLIED>
<!ELEMENT Ad EMPTY>
<!ATTLIST Ad ImageUrl CDATA #REQUIRED LinkUrl CDATA #REQUIRED>
<!ELEMENT Image EMPTY>
<!ATTLIST Image ImageUrl CDATA #REQUIRED>