/* --- Preload --- */
var preloads = new Array();

function pl(src) {
        var i = new Image();
        i.src = src;
        preloads[preloads.length] = i;
}


/* --- Slideshow --- */

var current_slide_index = 0;
var slide_count = 0;

function Go(index) {

        var current_slide = document.getElementById("_c" + current_slide_index);
        var slide = document.getElementById("_c" + index);
        current_slide.style.display = "none";
        slide.style.display = "block";

        var current = document.getElementById("_n" + current_slide_index);
        current.className = "";
        var pick = document.getElementById("_n" + index);
        pick.className = "current";
        current_slide_index = index;
}

function Next() {
        Go((current_slide_index + 1) % slide_count);
}

function Prev() {
        if(current_slide_index - 1 >= 0) {
                Go(current_slide_index - 1);
        }
}