function toggleTinyMCEEffect(element, effect, refTextareas){
    var element = $(element);
    var effect = (effect || 'appear').toLowerCase();
    var textareas = $(refTextareas);

    if (element.visible()) {
        for (i=0;i<textareas.length;i++){
            tinyMCE.execCommand('mceFocus', false, textareas);    
            tinyMCE.execCommand('mceRemoveControl', false, textareas);
        }
        Effect.toggle(element,effect);
    }else{
        Effect.toggle(element,effect);
        for (i=0;i<textareas.length;i++){
            tinyMCE.execCommand('mceAddControl', false, textareas);    
        }     
    }   
};