/*
Copyright (c) 2008, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.5.2
*/
YAHOO.namespace("util");YAHOO.util.Cookie={_createCookieString:function(B,D,C,A){var F=YAHOO.lang;var E=encodeURIComponent(B)+"="+(C?encodeURIComponent(D):D);if(F.isObject(A)){if(A.expires instanceof Date){E+="; expires="+A.expires.toGMTString();}if(F.isString(A.path)&&A.path!=""){E+="; path="+A.path;}if(F.isString(A.domain)&&A.domain!=""){E+="; domain="+A.domain;}if(A.secure===true){E+="; secure";}}return E;},_createCookieHashString:function(B){var D=YAHOO.lang;if(!D.isObject(B)){throw new TypeError("Cookie._createCookieHashString(): Argument must be an object.");}var C=new Array();for(var A in B){if(D.hasOwnProperty(B,A)&&!D.isFunction(B[A])&&!D.isUndefined(B[A])){C.push(encodeURIComponent(A)+"="+encodeURIComponent(String(B[A])));}}return C.join("&");},_parseCookieHash:function(E){var D=E.split("&");var F=null;var C=new Object();for(var B=0,A=D.length;B<A;B++){F=D[B].split("=");C[decodeURIComponent(F[0])]=decodeURIComponent(F[1]);}return C;},_parseCookieString:function(I,A){var J=new Object();if(YAHOO.lang.isString(I)&&I.length>0){var B=(A===false?function(K){return K;}:decodeURIComponent);if(/[^=]+=[^=;]?(?:; [^=]+=[^=]?)?/.test(I)){var G=I.split(/;\s/g);var H=null;var C=null;var E=null;for(var D=0,F=G.length;D<F;D++){E=G[D].match(/([^=]+)=/i);if(E instanceof Array){H=decodeURIComponent(E[1]);C=B(G[D].substring(H.length+1));}else{H=decodeURIComponent(G[D]);C=H;}J[H]=C;}}}return J;},get:function(A,B){var D=YAHOO.lang;var C=this._parseCookieString(document.cookie);if(!D.isString(A)||A===""){throw new TypeError("Cookie.get(): Cookie name must be a non-empty string.");}if(D.isUndefined(C[A])){return null;}if(!D.isFunction(B)){return C[A];}else{return B(C[A]);}},getSub:function(A,C,B){var E=YAHOO.lang;var D=this.getSubs(A);if(D!==null){if(!E.isString(C)||C===""){throw new TypeError("Cookie.getSub(): Subcookie name must be a non-empty string.");}if(E.isUndefined(D[C])){return null;}if(!E.isFunction(B)){return D[C];}else{return B(D[C]);}}else{return null;}},getSubs:function(A){if(!YAHOO.lang.isString(A)||A===""){throw new TypeError("Cookie.getSubs(): Cookie name must be a non-empty string.");}var B=this._parseCookieString(document.cookie,false);if(YAHOO.lang.isString(B[A])){return this._parseCookieHash(B[A]);}return null;},remove:function(B,A){if(!YAHOO.lang.isString(B)||B===""){throw new TypeError("Cookie.remove(): Cookie name must be a non-empty string.");}A=A||{};A.expires=new Date(0);return this.set(B,"",A);},set:function(B,C,A){var E=YAHOO.lang;if(!E.isString(B)){throw new TypeError("Cookie.set(): Cookie name must be a string.");}if(E.isUndefined(C)){throw new TypeError("Cookie.set(): Value cannot be undefined.");}var D=this._createCookieString(B,C,true,A);document.cookie=D;return D;},setSub:function(B,D,C,A){var F=YAHOO.lang;if(!F.isString(B)||B===""){throw new TypeError("Cookie.setSub(): Cookie name must be a non-empty string.");}if(!F.isString(D)||D===""){throw new TypeError("Cookie.setSub(): Subcookie name must be a non-empty string.");}if(F.isUndefined(C)){throw new TypeError("Cookie.setSub(): Subcookie value cannot be undefined.");}var E=this.getSubs(B);if(!F.isObject(E)){E=new Object();}E[D]=C;return this.setSubs(B,E,A);},setSubs:function(B,C,A){var E=YAHOO.lang;if(!E.isString(B)){throw new TypeError("Cookie.setSubs(): Cookie name must be a string.");}if(!E.isObject(C)){throw new TypeError("Cookie.setSubs(): Cookie value must be an object.");}var D=this._createCookieString(B,this._createCookieHashString(C),false,A);document.cookie=D;return D;}};YAHOO.register("cookie",YAHOO.util.Cookie,{version:"2.5.2",build:"1076"});

/**
 * @author Adam McIntyre
 * A class used to manage a given cookie and its data.
 */

function CookieManager(cName,maxItems){
    this.cName = cName; 
    this.maxItems = maxItems || 10;

    this.ITEM_SEPARATOR = '~';
    this.VALUE_SEPARATOR = '|'; 
}

/***
 * Adds an array of values as | separated subcookies of this cookie.
 * @param {Array} vals Array of values we'd like to add. First item will be used as subcookie's name.
 * @param {Function} uniqueFunction Comparator function to use to check that this is indeed a unique value. Should take an array of values and current values as arguments.
 */
CookieManager.prototype.addCookieValue = function(vals,uniqueFunction){
    var data = this.getCookie(this.cName) || { totalItems : 0, values : []};

    var alreadyCookied = false;
    var idx = 0;
    for(var i = 0; i < data.totalItems; i++){
        var els = data.values[i].split(this.VALUE_SEPARATOR);
        if(uniqueFunction(els,vals)){
            alreadyCookied = true; 
            idx = i;
        }
    }
    
    if(! alreadyCookied){
        // We're over! Shift off the first/oldest and push on the new guy.
        if(data.totalItems >= this.maxItems){
            while(data.totalItems >= this.maxItems) {
                data.values.pop();
                data.totalItems--;
            }
        }
    }      
    else{   // Item already cookied, so we have to splice this item out of the array
        data.values.splice(idx,1);        
    }
    
    data.values.unshift(vals.join('|'));
    YAHOO.util.Cookie.set(this.cName,data.values.join(this.ITEM_SEPARATOR), { 
        expires : new Date('January 1, 2772'),
        path : "/"
    });
}

/***
 * Toggles a cookie value, to val if present, otherwise to its opposite Boolean value.
 * @param {Boolean} val (Optional) Value we'd like to set the cookie to
 */
CookieManager.prototype.toggleCookie = function(val){
    var data = this.getCookie(this.name) || false;
    
    if(val){
        data = val;
    }
    else{
        data = !data;
    }
    
    YAHOO.util.Cookie.set(this.cName,data, { 
        expires : new Date('January 1, 2772'),
        path : "/"
    });    
}

/***
 * Gets this particular Object's cookie and transforms the result into something we can use.
 */
CookieManager.prototype.getCookie = function(){
    var o = this;
    return YAHOO.util.Cookie.get(this.cName, function(stringValue){
        allItems = stringValue.split(o.ITEM_SEPARATOR);
        data = {
            totalItems : allItems.length,
            values : allItems
        };
        return data;
    });
}

/***
 * Gets a Boolean value stored in particular Object's cookie.
 * @return Boolean Cookie value
 */
CookieManager.prototype.getBooleanCookie = function(){
    return YAHOO.util.Cookie.get(this.cName, function(stringValue){
        if(stringValue == 'true' || stringValue == true){
            return true;
        }
        return false;
    });
}


/***
 * Gets all values stored in this Object's cookie.
 * @return Array Array of cookie's values
 */
CookieManager.prototype.getAllValues = function(){
    var data = this.getCookie(this.cName);
    return data ? data.values : [];
}

/***
 * Removes this cookie from the browser.
 */
CookieManager.prototype.clear = function(){
    YAHOO.util.Cookie.remove(this.cName, { path : '/' });
} 

// Configuration constants, such as pre-set cookie names.
CookieManagerConstants = {
    pv : 'products-viewed',
    av : 'articles-viewed',
    pvs : 'products-viewed-state'
}

CookieManagerConstants.processProducts = function(){
    var allProducts = pv.getAllValues();

    if(allProducts.length > 0){
        var bd = YAHOO.util.Selector.query('div.bd','viewed_products',true);
        var isCarousel = allProducts.length > 1;

        var tmpHtml = "";

        if(isCarousel){
            tmpHtml += '<div id="productsViewed-container" class="carousel-container"><div class="carousel-component"><div id="productsViewed-clip-region" class="carousel-clip-region">';
        }

        tmpHtml += '<ul id="productsViewed_list" class="products carousel-list">';
        for(var i = 0; i < allProducts.length; i++){
            var els = allProducts[i].split('|');
            var linkStart = '<a onclick="OmnitureHelper.setPYVEvents(\'' + els[0] + '\',\'' + els[1] + '\')" href="' + els[3].replace('%2F','%252F') + '">';

            tmpHtml += '<li class="pv-item" id="productsViewed-item' + (i + 1) + '">' + linkStart + '<img class="product" src="../assets_files/' + els[2] + '" width="87" height="74" alt="'+ els[1] + '"></a><label>'
                + linkStart + els[1] + '</a></label></li>';
        }
        tmpHtml += '</ul></div></div></div>';

        bd.innerHTML = tmpHtml;
        
        // Carousel for greater than 1 product
        if(isCarousel){
            // Add carousel nav
            YAHOO.util.Dom.setStyle(bd,'visibility','hidden');
            YAHOO.util.Dom.removeClass(bd,'noD');  
            
            bd.innerHTML += '<div id="productsViewed_navigation" class="carousel-nav">' + 
                '<a id="productsViewed-prev" href="javascript:void(0)" class="nav_left"> </a>' + 
                '<span class="indicators"><span id="productsViewed-curNum">1</span>/<span id="productsViewed-maxNum">' + allProducts.length + '</span></span>' + 
                '<a id="productsViewed-next" href="javascript:void(0)" class="nav_right"> </a><div class="rnd"> </div></div>';
                
            // Add "see all" link
            var ftEl = YAHOO.util.Selector.query('div.ft','viewed_products',true);
            ftEl.innerHTML = '<a href="javascript:void(0)" onclick="CookieManagerConstants.showAllProducts()">' + nikonLabel.seeAll + '</a>';
            
            var f = function(){
                YAHOO.util.Dom.setStyle(bd,'visibility','visible');
            }            
                
            pv.carousel = new YAHOO.extension.Carousel('productsViewed-container',
                {
                    numVisible : 1,
                    animationSpeed : 0.25,
                    scrollInc : 1,
                    size: allProducts.length,
                    wrap : true,
                    orientation : "horizontal",
                    loadInitHandler : f,
                    prevElement : "productsViewed-prev",
                    nextElement : "productsViewed-next",
                    loadNextHandler : function(){}, // No-op functions here just to introduce the events 
                    loadPrevHandler : function(){}  // we subscribe to below.
                    
                }
            );
            
            pv.carousel._loadNextHandlerEvt.subscribe(function(){
                document.getElementById('productsViewed-curNum').innerHTML = pv.carousel.getFirstVisible();
            });
            
            pv.carousel._loadPrevHandlerEvt.subscribe(function(){
                document.getElementById('productsViewed-curNum').innerHTML = pv.carousel.getFirstVisible();
            });            
        }
        else{
            YAHOO.util.Dom.removeClass(bd,'noD');
        }        
    }
    else{
        var bd = YAHOO.util.Selector.query('div.bd','viewed_products',true);
        YAHOO.util.Dom.removeClass(bd,'noD');
    }     
    this.maybeShowProducts();
}

CookieManagerConstants.showAllProducts = function(){
    var bd = YAHOO.util.Selector.query('div.bd','viewed_products',true);

    // Add appropriate class so list elements no longer float
    YAHOO.util.Dom.addClass(bd,'open');
    
    // Hide the carousel navigation
    YAHOO.util.Dom.setStyle('productsViewed_navigation','display','none');

    // Animate body opening
    var anim = new YAHOO.util.Anim(bd,{
        height : { to : YAHOO.util.Dom.getFirstChild(bd).offsetHeight }
    },
    0.25,
    YAHOO.util.Easing.easeIn);

    if(YAHOO.util.Dom.getStyle('footer','position') == 'absolute'){      
        anim.onStart.subscribe(function(){
            // Hide the footer; we'll need to make sure it's positioned accordingly.
            YAHOO.util.Dom.setStyle('footer','display','none');
        });
    }
    
    anim.onComplete.subscribe(function(){
        if(YAHOO.util.Dom.getStyle('footer','position') == 'absolute'){  
            // Calculate new footer position (30px below the tallest column) and unhide footer
            var reg;
            CookieManagerConstants.tc = 0;
            if(YAHOO.util.Dom.getRegion('tabbed_content')){
                reg = YAHOO.util.Dom.getRegion('tabbed_content')
                CookieManagerConstants.tc = reg.bottom;
            }

            CookieManagerConstants.rc = 0;
            if(reg = YAHOO.util.Dom.getRegion('container_relatedContent')){
                CookieManagerConstants.rc = reg.bottom;
            }
            if(reg = YAHOO.util.Dom.getRegion('glossary_widget')){
                CookieManagerConstants.rc = Math.max(CookieManagerConstants.rc,reg.bottom);
            }

            CookieManagerConstants.lc = 0;         
            if(reg = YAHOO.util.Dom.getRegion('leftNav')){
                CookieManagerConstants.lc = reg.bottom;
            }
            if(reg = YAHOO.util.Dom.getRegion('shoppingTools')){
                CookieManagerConstants.lc = Math.max(CookieManagerConstants.lc,reg.bottom);
            }
            if(reg = YAHOO.util.Dom.getRegion('imagePromo')){
                CookieManagerConstants.lc = Math.max(CookieManagerConstants.lc,reg.bottom);
            } 
            if(reg = YAHOO.util.Dom.getRegion('viewed_products')){
                CookieManagerConstants.lc = Math.max(CookieManagerConstants.lc,reg.bottom);
            } 

            var maxVal = Math.max(CookieManagerConstants.tc,Math.max(CookieManagerConstants.lc,CookieManagerConstants.rc)); 
            YAHOO.util.Dom.setStyle('footer','top', maxVal + 30 + 'px');

            YAHOO.util.Dom.setStyle('footer','display','');
        }
        
        // Change see all link to hide all, etc.
        var labelText;
        if(typeof nikonLabel == 'undefined'){
            labelText = "Close";    
        }
        else{
            labelText = nikonLabel.close;
        }        
        var ftEl = YAHOO.util.Selector.query('div.ft','viewed_products',true);
        ftEl.innerHTML = '<a href="javascript:void(0)" onclick="CookieManagerConstants.hideAllProducts()">' + labelText + '</a>';
        
    });
    
    anim.animate();
    pvs.toggleCookie(true);
}

CookieManagerConstants.hideAllProducts = function(){
    var bd = YAHOO.util.Selector.query('div.bd','viewed_products',true);
    YAHOO.util.Dom.setStyle(bd,'position','relative');
    
    // Animate body opening
    var anim = new YAHOO.util.Anim(bd,{
        height : { to : 139 }   // 139px is div.bd's height according to the style guide.
    },
    0.25,
    YAHOO.util.Easing.easeIn);

    if(YAHOO.util.Dom.getStyle('footer','position') == 'absolute'){    
        anim.onStart.subscribe(function(){
            // Hide the footer; we'll need to make sure it's positioned accordingly.
            YAHOO.util.Dom.setStyle('footer','display','none'); 
        });
    }
    
    anim.onComplete.subscribe(function(){
        // Remove appropriate class so list elements float
        YAHOO.util.Dom.removeClass(bd,'open');

        // Show the carousel navigation
        YAHOO.util.Dom.setStyle('productsViewed_navigation','display','');                 
        
        if(YAHOO.util.Dom.getStyle('footer','position') == 'absolute'){
            // Calculate new footer position (30px below the tallest column) and unhide footer
            var reg;
            CookieManagerConstants.tc = 0;
            if(YAHOO.util.Dom.getRegion('tabbed_content')){
                reg = YAHOO.util.Dom.getRegion('tabbed_content')
                CookieManagerConstants.tc = reg.bottom;
            }

            CookieManagerConstants.rc = 0;
            if(reg = YAHOO.util.Dom.getRegion('container_relatedContent')){
                CookieManagerConstants.rc = reg.bottom;
            }
            if(reg = YAHOO.util.Dom.getRegion('glossary_widget')){
                CookieManagerConstants.rc = Math.max(CookieManagerConstants.rc,reg.bottom);
            }

            CookieManagerConstants.lc = 0;         
            if(reg = YAHOO.util.Dom.getRegion('leftNav')){
                CookieManagerConstants.lc = reg.bottom;
            }
            if(reg = YAHOO.util.Dom.getRegion('shoppingTools')){
                CookieManagerConstants.lc = Math.max(CookieManagerConstants.lc,reg.bottom);
            }
            if(reg = YAHOO.util.Dom.getRegion('imagePromo')){
                CookieManagerConstants.lc = Math.max(CookieManagerConstants.lc,reg.bottom);
            } 
            if(reg = YAHOO.util.Dom.getRegion('viewed_products')){
                CookieManagerConstants.lc = Math.max(CookieManagerConstants.lc,reg.bottom);
            } 

            var maxVal = Math.max(CookieManagerConstants.tc,Math.max(CookieManagerConstants.lc,CookieManagerConstants.rc)); 
            YAHOO.util.Dom.setStyle('footer','top', maxVal + 30 + 'px');

            // Calculate new footer position and unhide footer
            YAHOO.util.Dom.setStyle('footer','display','');
        }
        
        // Change see all link to hide all, etc.
        var labelText;
        if(typeof nikonLabel == 'undefined'){
            labelText = "See All";    
        }
        else{
            labelText = nikonLabel.seeAll;
        }
        var ftEl = YAHOO.util.Selector.query('div.ft','viewed_products',true);
        ftEl.innerHTML = '<a href="javascript:void(0)" onclick="CookieManagerConstants.showAllProducts()">' + labelText + '</a>';
        
    });   
    
    anim.animate();
    pvs.toggleCookie(false)
}

CookieManagerConstants.productsComparator = function(els,vals){
    if(els[0] == vals[0]){
        return true;
    }    
    return false;
}

CookieManagerConstants.maybeShowProducts = function(){
    if(pvs.getBooleanCookie()){
        if(YAHOO.env.ua.ie > 0 && YAHOO.env.ua.ie < 7){
            var o = this;
            YAHOO.util.Event.addListener(window,'load',function(){
                setTimeout(function(){
                    o.showAllProducts();
                },200);
            });
        }
        else{
            YAHOO.util.Event.onDOMReady(this.showAllProducts);
        }
    }   
}

CookieManagerConstants.processArticles = function(){
    if(YAHOO.env.ua.ie > 0 && YAHOO.env.ua.ie < 7){
        var o = this;
        YAHOO.util.Event.addListener(window,'load',function(){
            setTimeout(function(){
                o._processArticles();
            },200);
        });
    }
    else{
        YAHOO.util.Event.onDOMReady(this._processArticles);
    }    
}

CookieManagerConstants._processArticles = function(){
    var allAritcles = av.getAllValues();

    if(allAritcles.length > 0){
        var bd = YAHOO.util.Selector.query('div.bd','viewed_articles',true);

        var tmpHtml = '<ol class="viewed">';
        for(var i = 0; i < allAritcles.length; i++){
            var els = allAritcles[i].split('|');

            tmpHtml += '<li><a onclick="OmnitureHelper.setAYVEvents(\'' + els[0] + '\',\'' + els[1] + '\',\'' + els[3] + '\',\'' + els[2] + '\')" href="../assets_files/' + els[4] + '">' + els[1].replace(/(&)/ig,'&') + '</a></li>';
        }
        tmpHtml += '</ol>';

        bd.innerHTML = tmpHtml;
        YAHOO.util.Dom.removeClass(bd,'noD');
    }
    else{
        var bd = YAHOO.util.Selector.query('div.bd','viewed_articles',true);
        YAHOO.util.Dom.removeClass(bd,'noD');
    }    
}

CookieManagerConstants.articlesComparator = function(els,vals){
    if(els[0] == vals[0]){
        return true;
    }    
    return false;
}