/**
 * @author Bruno Bornsztein <bruno@missingmethod.com>
 * @copyright 2007 Curbly LLC
 * @package Glider
 * @license MIT
 * @url http://www.missingmethod.com/projects/glider/
 * @version 0.0.3
 * @dependencies prototype.js 1.5.1+, effects.js
 * Change by wj @ magentoeasy
 */
/*Slider with Product slider  ====================================================================================================*/
Glider = Class.create();
Object.extend(Object.extend(Glider.prototype, Abstract.prototype), {
	initialize: function(wrapper, options){
        this.handStopped = false;
	    this.scrolling  = false;
	    this.wrapper    = $(wrapper);
	    this.scroller   = this.wrapper.down('div.scroller');
	    this.sections   = this.wrapper.getElementsBySelector('div.sectionslide');
	    this.options    = Object.extend({ duration: 1.0, frequency: 3 }, options || {});

	    this.sections.each( function(section, index) {
	      section._index = index;
	    });    

	    this.events = {
	      click: this.click.bind(this),
          mouseover: this.pause.bind(this),
          mouseout: this.resume.bind(this)
	    };

	    this.addObservers();
        if(this.options.initialSection) 
            this.moveTo(this.options.initialSection, this.scroller, { duration:this.options.duration });  // initialSection should be the id of the section you want to show up on load
        if(this.options.autoGlide) 
            this.start();
	  },
	
  addObservers: function() {
    this.wrapper.observe('mouseover', this.events.mouseover);
    this.wrapper.observe('mouseout', this.events.mouseout);
    
    var descriptions = this.wrapper.getElementsBySelector('div.sliderdescription');
    descriptions.invoke('observe', 'mouseover', this.makeActive);
    descriptions.invoke('observe', 'mouseout', this.makeInactive);
    
    var controls = this.wrapper.getElementsBySelector('div.slidercontrol a');
    controls.invoke('observe', 'click', this.events.click);

  },

  click: function(event) {
    var element = Event.findElement(event, 'a');
    
    if (this.scrolling) this.scrolling.cancel();
    this.moveTo(element.href.split("#")[1], this.scroller, { duration:this.options.duration });    	
    Event.stop(event);
  },

  moveTo: function(element, container, options) {
    this.current = $(element);
    Position.prepare();
    var containerOffset = Position.cumulativeOffset(container);
    var elementOffset = Position.cumulativeOffset(this.current);

    this.scrolling = new Effect.SmoothScroll(container, {
      duration:options.duration, 
      x:(elementOffset[0]-containerOffset[0]), 
      y:(elementOffset[1]-containerOffset[1])
    });
    
    if (typeof element == 'object')
        element = element.id;
        
    this.toggleControl($$('a[href="#'+element+'"]')[0]);
    
    return false;
  },
        
  next: function(){
    if (this.current) {
      var currentIndex = this.current._index;
      var nextIndex = (this.sections.length - 1 == currentIndex) ? 0 : currentIndex + 1;      
    } else var nextIndex = 1;

    this.moveTo(this.sections[nextIndex], this.scroller, { 
      duration: this.options.duration
    });

  },
	
  previous: function(){
    if (this.current) {
      var currentIndex = this.current._index;
      var prevIndex = (currentIndex == 0) ? this.sections.length - 1 : 
       currentIndex - 1;
    } else var prevIndex = this.sections.length - 1;
    
    this.moveTo(this.sections[prevIndex], this.scroller, { 
      duration: this.options.duration
    });
  },
  
/*====function  for product show   change the number to control the product num (here 6)    */
   prodnext: function(){
	
	if (this.sections.length > 4)
		var tempIndex = this.sections.length - 4 ;
	else
		var tempIndex = this.sections.length - 1 ;
    if (this.current) {
      var currentIndex = this.current._index;
      var nextIndex = (tempIndex <= currentIndex) ? 0 : currentIndex + 3;      
    } else var nextIndex = 1;

    this.moveTo(this.sections[nextIndex], this.scroller, { 
      duration: this.options.duration
    });
  },
	
  prodprevious: function(){
	if (this.sections.length > 4)
		var tempIndex = this.sections.length - 4 ;
	else
		var tempIndex = this.sections.length - 1 ;
    if (this.current) {
      var currentIndex = this.current._index;
      var prevIndex = (currentIndex == 0) ? tempIndex : 
       currentIndex - 3;
    } else var prevIndex = 0;
    
    this.moveTo(this.sections[prevIndex], this.scroller, { 
      duration: this.options.duration
    });
  },
 /*       function  for product show         end                     */
  makeActive: function(event)
  {
    var element = Event.findElement(event, 'div');
    element.addClassName('active');
  },
  
  makeInactive: function(event)
  {
    var element = Event.findElement(event, 'div');
    element.removeClassName('active');
  },
  
  toggleControl: function(el)
  {
    $$('.slidercontrol a').invoke('removeClassName', 'active');
    el.addClassName('active');
  },

	stop: function()
	{
        this.handStopped = true;
		clearTimeout(this.timer);
	},
	
	start: function()
	{
        this.handStopped = false;
		this.periodicallyUpdate();
	},
    
    pause: function()
    {
      if (!this.handStopped) {
        clearTimeout(this.timer);
        this.timer = null;
      }
    },
    
    resume: function()
    {
      if (!this.handStopped)
        this.periodicallyUpdate();
    },
		
	periodicallyUpdate: function()
	{ 
		if (this.timer != null) {
			clearTimeout(this.timer);
			this.next();
		}
		this.timer = setTimeout(this.periodicallyUpdate.bind(this), this.options.frequency*1000);
	}

});

Effect.SmoothScroll = Class.create();
Object.extend(Object.extend(Effect.SmoothScroll.prototype, Effect.Base.prototype), {
  initialize: function(element) {
    this.element = $(element);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'absolute'
    } , arguments[1] || {}  );
    this.start(options);
  },
  setup: function() {
    if (this.options.continuous && !this.element._ext ) {
      this.element.cleanWhitespace();
      this.element._ext=true;
      this.element.appendChild(this.element.firstChild);
    }
   
    this.originalLeft=this.element.scrollLeft;
    this.originalTop=this.element.scrollTop;
   
    if(this.options.mode == 'absolute') {
      this.options.x -= this.originalLeft;
      this.options.y -= this.originalTop;
    } 
  },
  update: function(position) {   
    this.element.scrollLeft = this.options.x * position + this.originalLeft;
    this.element.scrollTop  = this.options.y * position + this.originalTop;
  }
});
/*Slider and Product slider End  ====================================================================================================*/

/*For Product tabs  ====================================================================================================*/
function g(o){return document.getElementById(o);}
function HoverLi(n)
{	

for(var i=1;i<=4;i++){ g('tbc_0'+i).className='undis'; g('tb_'+i).className= 'off_'+i; }
g('tbc_0'+n).className='dis';
g('tb_'+n).className= 'on_'+n;
}


/*For Left Navgation =====================================================================================================*/
function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
if (i == Num)
{
   thisObj.className = "active"; 
      document.getElementById(tabObj+"_Content"+i).style.display = "block";
}else{
   tabList[i].className = "normal"; 
   document.getElementById(tabObj+"_Content"+i).style.display = "none";
}
} 
}


var mainNav = function() {

    var main = {
        obj_nav :   $(arguments[0]) || $("leftnav"),

        settings :  {
            show_delay      :   0,
            hide_delay      :   0,
            _ie6            :   /MSIE 6.+Win/.test(navigator.userAgent),
            _ie7            :   /MSIE 7.+Win/.test(navigator.userAgent)
        },

        init :  function(obj, level) {
            obj.lists = obj.childElements();
            obj.lists.each(function(el,ind){
                main.handlNavElement(el);
                if((main.settings._ie6 || main.settings._ie7) && level){
                    main.ieFixZIndex(el, ind, obj.lists.size());
                }
            });
            if(main.settings._ie6 && !level){
                document.execCommand("BackgroundImageCache", false, true);
            }
        },

        handlNavElement :   function(list) {
            if(list !== undefined){
                list.onmouseover = function(){
                    main.fireNavEvent(this,true);
                };
                list.onmouseout = function(){
                    main.fireNavEvent(this,false);
                };
                if(list.down("ul")){
                    main.init(list.down("ul"), true);
                }
            }
        },

        ieFixZIndex : function(el, i, l) {
            if(el.tagName.toString().toLowerCase().indexOf("iframe") == -1){
                el.style.zIndex = l - i;
            } else {
                el.onmouseover = "null";
                el.onmouseout = "null";
            }
        },

        fireNavEvent :  function(elm,ev) {
            if(ev){
                elm.addClassName("over");
                elm.down("a").addClassName("over");
                if (elm.childElements()[1]) {
                    main.show(elm.childElements()[1]);
                }
            } else {
                elm.removeClassName("over");
                elm.down("a").removeClassName("over");
                if (elm.childElements()[1]) {
                    main.hide(elm.childElements()[1]);
                }
            }
        },

        show : function (sub_elm) {
            if (sub_elm.hide_time_id) {
                clearTimeout(sub_elm.hide_time_id);
            }
            sub_elm.show_time_id = setTimeout(function() {
                if (!sub_elm.hasClassName("shown-sub")) {
                    sub_elm.addClassName("shown-sub");
                }
            }, main.settings.show_delay);
        },

        hide : function (sub_elm) {
            if (sub_elm.show_time_id) {
                clearTimeout(sub_elm.show_time_id);
            }
            sub_elm.hide_time_id = setTimeout(function(){
                if (sub_elm.hasClassName("shown-sub")) {
                    sub_elm.removeClassName("shown-sub");
                }
            }, main.settings.hide_delay);
        }

    };
    if (arguments[1]) {
        main.settings = Object.extend(main.settings, arguments[1]);
    }
    if (main.obj_nav) {
        main.init(main.obj_nav, false);
    }
};

document.observe("dom:loaded", function() {
    //run navigation without delays and with default id="#nav"
    //mainNav();

    //run navigation with delays
    mainNav("leftnav", {"show_delay":"100","hide_delay":"100"});
});
/*Left Navagation End  ====================================================================================================*/


