/* COPYRIGHT 2009 FRESH FRAME MEDIA */


////################################################################################################
////########## GENERAL #############################################################################
////################################################################################################


////==== change image off/on
function roll(id, oo) {
    var src = $("img#" + id).attr("src");

    var dname = src.substring(0, src.lastIndexOf("/"));
    var fname = src.substring(src.lastIndexOf("/") + 1);
    var sec = fname.substring(0, fname.lastIndexOf("_"));

    $("img#" + id).attr("src", dname + "/" + sec + "_" + oo + ".gif");
}


////################################################################################################
////########## BANNER (HOME) #######################################################################
////################################################################################################

////==== variables
var slide_num = 1;
var slide_times = new Array(12000, 12000, 12000);


////==== preload banner images
function banner_preload() {
    slide_1 = new Image();
    slide_1.src = "images/slide_1_home.jpg";
    slide_2 = new Image();
    slide_2.src = "images/slide_2_home.jpg";
    slide_3 = new Image();
    slide_3.src = "images/slide_3_home.jpg";

    btn_1 = new Image();
    btn_1.src = "images/btn_commercial_1_on.gif";
    btn_2 = new Image();
    btn_2.src = "images/btn_commercial_2_on.gif";
    btn_3 = new Image();
    btn_3.src = "images/btn_commercial_3_on.gif";
    btn_4 = new Image();
    btn_4.src = "images/btn_industrial_1_on.gif";
    btn_5 = new Image();
    btn_5.src = "images/btn_industrial_2_on.gif";
    btn_6 = new Image();
    btn_6.src = "images/btn_industrial_3_on.gif";
    btn_7 = new Image();
    btn_7.src = "images/btn_institutional_1_on.gif";
    btn_8 = new Image();
    btn_8.src = "images/btn_institutional_2_on.gif";
    btn_9 = new Image();
    btn_9.src = "images/btn_institutional_3_on.gif";
    btn_10 = new Image();
    btn_10.src = "images/btn_residential_1_on.gif";
    btn_11 = new Image();
    btn_11.src = "images/btn_residential_2_on.gif";
    btn_12 = new Image();
    btn_12.src = "images/btn_residential_3_on.gif";
}


////==== initialize banner animation
function banner_init() {
    // get stored slide number
    var slide_stored = $.cookie("slide_num");

    // assign new slide number
    if (slide_stored != null) {
        slide_num = slide_stored;
    }

    // show current slide
    $("div#slide_" + slide_num).show();

    // continue animation
    setTimeout(banner_animate, slide_times[slide_num - 1]);
}


////==== perform banner animation
function banner_animate() {
    // calculate next slide number
    slide_num = (slide_num % 3) + 1;

    // fade out current slide
    $("div.slide:visible").fadeOut(2000);

    // fade in next slide
    $("div#slide_" + slide_num).fadeIn(2000);

    // set stored slide number
    $.cookie("slide_num", slide_num, {domain: "vitaleng.ca"});

    // continue animation
    setTimeout(banner_animate, slide_times[slide_num - 1]);
}