//http://24ways.org/2005/introduction-to-scriptaculous-effects

var curOpen;

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


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

 Effect.Combo = function(element) {
     element = $(element);
	 
	 if (curOpen != null){
	 	new Effect.CloseDown(curOpen, arguments[1] || {}); 
	 }
	 
     if(element.style.display == 'none') { 
          new Effect.OpenUp(element, arguments[1] || {}); 
		  curOpen = element;
     }else { 
          new Effect.CloseDown(element, arguments[1] || {}); 
		  curOpen = null;
     }
 }