function dropdown(el, container, action)
{   
    if ($$('.' + container + ' .content')[0].empty() || $(el).hasClassName('active'))
	   return false;
	 
	if 	 (action==true){
	    Effect.Appear(el, {
		    duration: 0, 
		    afterFinish: function(){$(container).addClassName('active');}
	    });
	} 
	
	if 	 (action==false){
	    Effect.Fade(el, {
		    duration: 0, 
		    afterFinish: function(){$(container).removeClassName('active');}
	    });		
	}
}