function MyFCKClass()
{
    this.UpdateEditorFormValue = function()
    {
        for ( i = 0; i < parent.frames.length; ++i )
            if ( parent.frames[i].FCK )
            parent.frames[i].FCK.UpdateLinkedField();
    }
}
// instantiate the class
var MyFCKObject = new MyFCKClass();