function toggleFacet( prefix )
{
    var moreVals = document.getElementById( prefix + 'Lower' );
    var showMore = document.getElementById( prefix + 'ShowMore' );
    var showLess = document.getElementById( prefix + 'ShowLess' );
    
    if ( moreVals ) {
        var regex = /show/;
        if ( regex.test( moreVals.className ) )
        {
            moreVals.className = moreVals.className.replace( /show/, "hide" );
            showMore.className = showMore.className.replace( /hide/, "show" );
            showLess.className = showLess.className.replace( /show/, "hide" );
        }
        else
        {
            moreVals.className = moreVals.className.replace( /hide/, "show" );
            showMore.className = showMore.className.replace( /show/, "hide" );
            showLess.className = showLess.className.replace( /hide/, "show" );
        }
    }
}