Effect.Open = function(element) {
     element = $(element);
     new Effect.BlindDown(element, arguments[1] || {});
 }

 Effect.Close = function(element) {
     element = $(element);
     new Effect.BlindUp(element, arguments[1] || {});
 }

 Effect.Combo = function(element) {
     element = $(element);
     if(element.style.display == 'none') { 
          new Effect.Open(element, arguments[1] || {}); 
     }else { 
          new Effect.Close(element, arguments[1] || {}); 
     }
 }