$(function() {
    $('img.artbox-lazy').lazyload({
        skip_invisible: false
    });
    lazyThreshold();
    lazyEvent();
    lazyEffect();
});
function lazyThreshold() {
    $.each($('img.artbox-lazy-threshold'), function(index, value) {
        var threshold = 200;
        var attribute = $(value).attr('data-threshold');
        if(attribute) {
            threshold = attribute;
        }
        this.lazyload({
            threshold: threshold
        });
    });
}
function lazyEvent() {
    $.each($('img.artbox-lazy-event'), function(index, value) {
        var event = 'click';
        var attribute = $(value).attr('data-event');
        if(attribute) {
            event = attribute;
        }
        this.lazyload({
            event: event
        });
    });
}
function lazyEffect() {
    $.each($('img.artbox-lazy-effect'), function(index, value) {
        var effect = 'fadeIn';
        var attribute = $(value).attr('data-effect');
        if(attribute) {
            effect = attribute;
        }
        this.lazyload({
            effect: effect
        });
    });
}