var selectedMiniSlide = null;
var hiddenMiniSlideIndex = 0;

function getMiniSlideIndex( aMiniSlideOb )
{
    var theParent = aMiniSlideOb.parent();
    return $( '.minislide_holder' ).index( theParent );
}

function resetMiniSlide( aMiniSlideOb ) { 
    aMiniSlideOb.animate(
        { bottom: '28px' }, 
        300, 
        function() {
        }
    );
};

function resetAllMiniSlides() {
    $( '.o_minislide' ).each( function(){
        resetMiniSlide( $(this) );
    });
    selectedMiniSlide = null;
}

function animateMiniSlide( aMiniSlideOb ) { 
    
    // if trying to hover the already selected minislide, do nothing
    var index = getMiniSlideIndex( aMiniSlideOb );
    if( index == selectedMiniSlide ){
        return;        
    }
                    
    // make sure no other slide is selected
    resetAllMiniSlides();

    //highlight current selected slide
    aMiniSlideOb.parent().addClass( 'selected' );

    //save the current's slide index
    selectedMiniSlide = index;
    aMiniSlideOb.animate( 
        { bottom: '82px' },
        300, 
        function()
        {
            //see if this is the current instance of animate(). 
            //otherwise (if previous instance ) we need to end this instance by reseting teh minislide
            if ( $(this).parent().hasClass( 'selected' ) ) { 
                // do nothing
            } else {
                resetMiniSlide( $(this) );
            }
        }
    );
};

function hideMiniSlide( aMiniSlideIndex )
{
    $( $( '#minislides div.minislide_holder' ).get( aMiniSlideIndex ) ).hide();
    $( $( '#minislides div.minislide_holder' ).get( hiddenMiniSlideIndex ) ).show();
    hiddenMiniSlideIndex = aMiniSlideIndex;
}


function switchMiniSlide( aMiniSlideOb, byUser )
{
    var index = getMiniSlideIndex( aMiniSlideOb );
    
    // hide the minislide
    hideMiniSlide( index );
    
    // switch the slide
    if( byUser ) {
        // if byUser == true means that switchMiniSlide() is called by user input (click on the minislide), so we display the associated slide.
        // if byUser == false means that swicthMiniSlide() is called from slideSwitch(), no need to switch to associated slide, the proper slide is already displayed
        slideSwitch( index );
    }
}