var $E = YAHOO.util.Event,
$D = YAHOO.util.Dom,
$ = YAHOO.util.Dom.get;

YAHOO.namespace('JCC');

var $DOM = YAHOO.util.Dom;
var $EVENT = YAHOO.util.Event;

var transition_box = null;
var filenames = null;

// The image cycling variable (starts at beginning of array)
var cycle_image = 0;


function fader() {
    
    YAHOO.util.Dom.setStyle('iv-content2', 'background-image', 'url(/frontpage_images/' + fileArray[cycle_image] + ')');
    
    var myAnim = new YAHOO.util.Anim('iv-content2', {
    opacity: { to: 1}
    }, 2, YAHOO.util.Easing.easeBothStrong);
    myAnim.animate();
    
    if (cycle_image==(fileArray.length-1)) {
        
        cycle_image = 0;
        
    } else {
    
        cycle_image++;
    
    }
    
}



function timer(){

    spinquote = setInterval(function(){                                                  
    
    var myAnim = new YAHOO.util.Anim('iv-content2', {
    opacity: { to: 0} 
    }, 2, YAHOO.util.Easing.easeBothStrong);
    
    myAnim.onComplete.subscribe(fader);
    YAHOO.util.Dom.setStyle('iv-content', 'background-image', 'url(/frontpage_images/' + fileArray[cycle_image] + ')');
    myAnim.animate();
    
    }, 4000);


}


function kicktimer(){

    var myAnim = new YAHOO.util.Anim('iv-content2', {
        opacity: { to: 1} 
        }, 2, YAHOO.util.Easing.easeBothStrong);
    
    myAnim.onComplete.subscribe(fader);

    myAnim.animate();
    
}

//////////////////////////////////////////////////////////////////

YAHOO.JCC.LNWidget = function () {
    
    var interval = 4000;
    var ulElement = false;
    var scrElement = false;
    var shiftAmount = 30;
    
    var attributes = {
        top: { by: -30 }
    };
    
    //articles = $D.getElementsByClassName('article','li','ln-articles_home');

    var animateScroll = function () {
        
        var anim = new YAHOO.util.Anim(ulElement, attributes, 1, YAHOO.util.Easing.easeOut);
        anim.animate();
        anim.onComplete.subscribe(function() {
                                           
            var copy = $D.getFirstChildBy(ulElement, function(el) {
                if (el.nodeName == 'LI') return true;
                else return false;
            });
            
            // Remove the element that just passed off screen
            ulElement.removeChild(copy);
            
            pos = $D.getStyle(ulElement,'top');
                
            // Parse the position to an integer
            newPos = parseInt(pos) + shiftAmount;

            $D.setStyle(ulElement,'top',newPos + 'px');
            
            /*for (i=0;i<articles.length;i++) {
            
                // Get current position of this article
                pos = $D.getStyle(articles[i],'top');
                
                // Parse the position to an integer
                newPos = parseInt(pos) + shiftAmount;

                $D.setStyle(articles[i],'top',newPos + 'px');
            
            }*/
            
            // Add it to the bottom of the list
            ulElement.appendChild(copy);
            
            setTimeout(animateScroll, interval);
            
        });         
    }

    ulElement = $('ln-articles_home');
    scrElement = $('ln-scrolling_home');
    if (ulElement && scrElement) {
        
        // Only animate if we have more than 3 articles
        //if (articles.length>3) {
            setTimeout(animateScroll, interval);
        //}
        
    }

}();

//////////////////////////////////////////////////////////////////


$EVENT.onDOMReady(function(){
                        
    // Get the transition box
    transition_box = $DOM.get('iv-content2', 'div');
    
    // Get the image list
    image_list = $DOM.get('transition_images', 'div');
    filenames = image_list.innerHTML;
    
    // Convert to array
    fileArray = filenames.split(',');
    
    YAHOO.util.Dom.setStyle('iv-content2', 'background-image', 'url(/frontpage_images/' + fileArray[cycle_image] + ')');
    
    // Start the transitions
    if (null!=fileArray) {
    
        kicktimer();
        timer();
        startTransitions(fileArray);
    
    }
    
    YAHOO.JCC.LNWidget.init;
        
});