function addScrollEvents() {
    var scroller = document.getElementById("logo-scroller-inner"); 
   
    var scrollerOnmouseover = function() {
        stopScrolling();
    }
    scroller.onmouseover = scrollerOnmouseover;
    


    var scrollerOnmouseout = function() {
        startScrolling();
    }
    scroller.onmouseout = scrollerOnmouseout;
    

}

var scrollTimer;

function startScrolling() {

    var scroller = document.getElementById("logo-scroller-inner"); 
    var scrollDirection = "left";  
    
    var scrollAction = function() {
        if (scrollDirection == "left") {
            var currentLeft = scroller.style.left ? parseInt(scroller.style.left) : 0;
            if (currentLeft <= -2780) {
                scrollDirection = "right";
            } else {
                currentLeft = currentLeft - 1;
                scroller.style.left = currentLeft + "px";
            }        
        } else {
            var currentLeft = scroller.style.left ? parseInt(scroller.style.left) : 0;
            if (currentLeft == 0) {
                scrollDirection = "left";
            } else {
                currentLeft = currentLeft + 1;
                scroller.style.left = currentLeft + "px";
            }
        }
    }
    scrollTimer = setInterval(scrollAction, 35);
}

function stopScrolling() {
    clearInterval(scrollTimer);
}

function generateLogoImages() {
    var brandLogos = [ // maps to filename of format brandname_logo.gif
		//Use this code to add url link:{"name":"armada", "url":"http://www.armadaskis.com/"},
        {"name":"spacecraft"},
		{"name":"orage"},
		{"name":"swix"},
		{"name":"flux"},
		{"name":"smith"},
        {"name":"atomic"},
		{"name":"libtech"},
		{"name":"sessions"},
        {"name":"flow"},
        {"name":"lange"},
        {"name":"marker"},
		{"name":"look"},
		{"name":"burton"},
		{"name":"scott"},
		{"name":"armada"},
		{"name":"K2"},
		{"name":"vans"},
        {"name":"nordica"},
        {"name":"option"},
        {"name":"rossignol"},
		{"name":"NS"},
		{"name":"oakley"},
		{"name":"dakine"},
        {"name":"tecnica"},
        {"name":"volkl"},
		{"name":"smartwool"},
                {"name":"NWR"},
		{"name":"gnu"},
		{"name":"union"},
	];
    var logoHTML = "";
    for (var i in brandLogos) {
        //logoHTML += "<a href='" + brandLogos[i].url + " '>";
        logoHTML += "<img src='assets/brand_logos/" + brandLogos[i].name + "_logo.gif' />";
        //logoHTML += '</a>';
   }
    var scroller = document.getElementById("logo-scroller-inner");
    scroller.innerHTML = logoHTML;
}

function initializeLogoScroller() {
    generateLogoImages();
    addScrollEvents();
    startScrolling();
}

 initializeLogoScroller();