interface CSSMediaRule : CSSRule {	
 /* IID: { 0xa6cf90bc, 0x15b3, 0x11d2, \
  { 0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } } */

     attribute wstring mediaTypes; 
     readonly attribute CSSStyleRuleCollection cssRules; 

     unsigned long insertRule(in wstring rule, in unsigned long index); 
     void deleteRule(in unsigned long index); 
   };