//for logos slider
var logo_slide = 0;
var logo_slides = 4; //one less than actual so that we can show bit of continutiy and avoid blank screen

doanimate_logos = function(position) {
    if (position == 'next') {
        var nxt_slide = logo_slide + 1;
        var next_slide = nxt_slide * -520;
        if (nxt_slide > logo_slides) {
            next_slide = 0;
            nxt_slide = 0;
        }
        $('#logo_slider').animate( { left:''+next_slide+'px' }, { duration: 2700, easing: 'easeInOutCubic'} );
        logo_slide = nxt_slide;
    }
    else if (position == 'previous') {
        var pr_slide = logo_slide - 1;
        var prev_slide = pr_slide * -520;
        if (pr_slide < 0) {
            prev_slide = logo_slides * -520;
            pr_slide = logo_slides;
        }
        $('#logo_slider').animate( { left:''+prev_slide+'px' }, { duration: 2700, easing: 'easeInOutCubic'} );
        logo_slide = pr_slide;
    }
}