// JavaScript Document
rnd.today=new Date();
rnd.seed=rnd.today.getTime();
function rnd() {
	rnd.seed = (rnd.seed*9301+49297) % 233280;
	return rnd.seed/(233280.0);
}
function rand(number) {
	return Math.ceil(rnd()*number);
}
// ºá׏ö¶¯
function simpleSideScroll(c,ul,config,direction){
    this.config = config ? config : {start_delay:3000, speed: 23, delay:4000, scrollItemCount:1};
	this.c = $i(c);
	this.ul = $i(ul);
	this.direction = direction ? direction : "left";
	this.pause = false;
	this.buttonlist= new Object();
	this.delayTimeId=null;
	
	var _this = this;



	this.c.onmouseover=function(){_this.pause = true;}
	this.c.onmouseout=function(){_this.pause = false;}
	
	this.init = function() {
		_this.scrollTimeId = null;
		setTimeout(_this.start,_this.config.start_delay);
	}
	
	this.start = function() {
		var d = _this.c;
		var width = d.getElementsByTagName('li')[0].offsetWidth;
		if(d.scrollWidth-d.offsetLeft>=width) _this.scrollTimeId = setInterval(_this.scroll,_this.config.speed)
	};
	
	this.scroll = function() {
		if(_this.pause)return;
		var ul= _this.ul;
		var d = _this.c;
		var width = d.getElementsByTagName('li')[0].offsetWidth;
		if(_this.direction == 'left'){
	        d.scrollLeft += 2;
	        if(d.scrollLeft%(width*_this.config.scrollItemCount)<=1){
		        if(_this.config.movecount != undefined)
			        for(var i=0;i<_this.config.movecount;i++){ul.appendChild(ul.getElementsByTagName('li')[0]);}
		        else for(var i=0;i<_this.config.scrollItemCount;i++){ul.appendChild(ul.getElementsByTagName('li')[0]);}
		        d.scrollLeft=0;
		        clearInterval(_this.scrollTimeId);
		        
		        _this.delayTimeId=setTimeout(_this.start,_this.config.delay);
	        }
		}
		else {
		    if(d.scrollLeft==0)
		    {
		        var lis=ul.getElementsByTagName('li');
		        for(var i=0;i<_this.config.scrollItemCount;i++){
		            ul.insertBefore(lis[lis.length-1],lis[0]);
		        }
		        d.scrollLeft = width;
		    }
		    d.scrollLeft -= 2;
		    if(d.scrollLeft%(width*_this.config.scrollItemCount)<=1){
		        d.scrollLeft=0;
		        clearInterval(_this.scrollTimeId);
		        _this.delayTimeId=setTimeout(_this.start,_this.config.delay);
		    }
		}
	}
	
	this.setButton=function(id,direction){
	    if($i(id)){
	        var c=$i(id);
	        var buttonlist =_this.buttonlist;
	        if(buttonlist[id] == undefined){
	            buttonlist[id] =new Object();
	            _this.buttonlist[id][0]=c;
	            _this.buttonlist[id][1]=direction;
	            
	            c.onclick=function(){
	                 clearInterval(_this.scrollTimeId);
	                 
	                var dir=_this.buttonlist[this.id][1];
	                var d = _this.c;
	                var ul= _this.ul;
	                d.scrollLeft=0;
	                if(dir =="left")
	                {
	                    for(var i=0;i<_this.config.scrollItemCount;i++){ul.appendChild(ul.getElementsByTagName('li')[0]);}
	                }
	                else{
	                    var lis=ul.getElementsByTagName('li');
		                for(var i=0;i<_this.config.scrollItemCount;i++){
		                    ul.insertBefore(lis[lis.length-1],lis[0]);
		                }
	                }
	                    
	                _this.direction= dir;
	                clearTimeout(_this.delayTimeId);
	                _this.delayTimeId=setTimeout(_this.start,_this.config.delay);
	                return false;
	            }
	        }
	    }
	}
}

function tabswitch(c, config){

	this.config = config ? config : {start_delay:3000, delay:1500};
	this.container = $i(c);
	this.pause = false;
	this.nexttb = 1;
	this.tabs = this.container.getElementsByTagName('dt');
	var _this = this;
	if(this.tabs.length<1)this.tabs = this.container.getElementsByTagName('li');
	for(var i = 0; i < this.tabs.length; i++){
		var _ec = this.tabs[i].getElementsByTagName('span');
		if(_ec.length<1)_ec = this.tabs[i].getElementsByTagName('a');
		if(_ec.length<1){
			_ec = this.tabs[i]
		}else{
			_ec = _ec[0];
		}
		_ec.onmouseover = function(e) {
			_this.pause = true;
			var ev = !e ? window.event : e;
			_this.start(ev, false, null);
		};
		
		_ec.onmouseout = function() {
			_this.pause = false;
		};
		
		try{
			$i(this.tabs[i].id + '_body_1').onmouseover = function(){
				_this.pause = true;
			};
			
			$i(this.tabs[i].id + '_body_1').onmouseout = function(){
				_this.pause = false;
			};
		}catch(e){}
	}

	if ($i(c + '_sts')) {
		var _sts = $i(c + '_sts');
		var _step = _sts.getElementsByTagName('li');
		if(_step.length<1)_step = _sts.getElementsByTagName('div');
		_step[0].onclick = function() {
			if (_this.tabs[_this.tabs.length-1].className.indexOf('current') > -1) {
				_this.nexttb = _this.tabs.length + 1;
			};
			_this.nexttb = _this.nexttb - 2 < 1 ? _this.tabs.length : _this.nexttb - 2;
			//alert(_this.nexttb);
			_this.start(null, null, _this.nexttb);
		};
		
		_step[1].onclick = function() {
			_this.nexttb = _this.nexttb < 1 ? 1 : _this.nexttb;
			_this.start(null, null, _this.nexttb);
		};
	};
	
	this.start = function(e, r, n){
		if(_this.pause && !e)return;
		if(r){
			curr_tab = $i(_this.container.id + '_' + rand(4));
		}else{
			if(n){
				curr_tab = $i(_this.container.id + '_' + _this.nexttb);
			}else{
				curr_tab = _jsc.evt.gTar(e);
				if(curr_tab.id=="")curr_tab = curr_tab.parentNode;
			}
		}
		
		var tb = curr_tab.id.split("_");
		for(var i = 0; i < _this.tabs.length; i++){
			if(_this.tabs[i]==curr_tab){
				_this.tabs[i].className="hot Selected current";
				try{
					//alert(_this.tabs[i].id);
					$i(_this.tabs[i].id + '_body_1').style.display = "block";
				}catch(e){}
			}else{
				_this.tabs[i].className="";
				try{
					$i(_this.tabs[i].id + '_body_1').style.display = "none";
				}catch(e){}
			}
		}
		_this.nexttb = parseInt(tb[tb.length-1]) >= _this.tabs.length ? 1 : parseInt(tb[tb.length-1]) + 1;
	};
}

var banners,star,buy_ok_div,product_scroll1_div;
_jsc.util.addEvent(window, 'load', function() {
		if ($i('banners')) {	
			banners = new tabswitch('banners', {});
			setInterval("banners.start(null, null, 1);", 5000);
		}
		if ($i('star')) {	
			star = new tabswitch('star', {});
			setInterval("star.start(null, null, 1);", 5000);
		}
		if($i('buy_ok_div')){
		    buy_ok_div=new simpleSideScroll('buy_ok_div','buy_ok_ul',{start_delay:3000, speed: 23, delay:3000, scrollItemCount:1},'left')
		    buy_ok_div.setButton('buy_ok_scroll_left','left');
		    buy_ok_div.setButton('buy_ok_scroll_right','right');
		    buy_ok_div.init();
		}
		
		if($i('product_scroll1_div')){
		    product_scroll1_div=new simpleSideScroll('product_scroll1_div','product_scroll1_ul',{start_delay:3000, speed: 23, delay:3000, scrollItemCount:1},'left')
		    product_scroll1_div.setButton('product_scroll1_left','left');
		    product_scroll1_div.setButton('product_scroll1_right','right');
		    product_scroll1_div.init();
		}
		
		//init_imh();
});