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!(function (global, $, factory) {
 
    typeof exports == "object" && typeof module != "undefined" ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global.LandscapeSlider = factory());
})(this, jQuery, function () {
 
    var LandscapeSlider = function (options) {
        if (!(this instanceof LandscapeSlider)) {
            console.log("LandscapeSlider 是一个构造函数，应该用new关键字调用");
            return;
        }
 
        var _DEFALUTS_ = {
            g_bMoveLeft: true,
            g_oTimer: null,
            g_oTimerOut: null,
            g_bPause: true,
            g_iPauseTime: 1000,
            g_iSpeed: 2,
            id: "",
            limit: 0
        }
        $.extend(true, _DEFALUTS_, options || {});
 
        var oDiv = document.getElementById(_DEFALUTS_.id);
 
        if (!oDiv) return;
 
        var oUl = oDiv.getElementsByTagName('ul')[0];
 
        var aLi = oDiv.getElementsByTagName('li');
 
 
       // var liHeight=$(aLi[0]).outerHeight(true));
        if (_DEFALUTS_.limit != 0) {
            if (aLi.length <= _DEFALUTS_.limit) {
                return;
            }
        }
        var i = 0;
 
        var str = oUl.innerHTML + oUl.innerHTML;
 
        oUl.innerHTML = str;
        //oUl.style.height = $(aLi[0]).outerHeight(true) * aLi.length + 'px';
        oUl.style.width=$(aLi[0]).outerWidth(true)*aLi.length+'px';
 
        for (i = 0; i < aLi.length; i++) {
 
            aLi[i].onmouseover = function () {
                stopMove();
            };
 
            aLi[i].onmouseout = function () {
                startMove(_DEFALUTS_.g_bMoveLeft);
            };
        }
 
        startMove(true);
 
        function startMove(bLeft) {
            _DEFALUTS_.g_bMoveLeft = bLeft;
 
            if (_DEFALUTS_.g_oTimer) {
                clearInterval(_DEFALUTS_.g_oTimer);
            }
            _DEFALUTS_.g_oTimer = setInterval(doMove, 30);
        }
 
        function stopMove() {
            clearInterval(_DEFALUTS_.g_oTimer);
            _DEFALUTS_.g_oTimer = null;
        }
 
        function doMove()
        {
            var oDiv=document.getElementById(_DEFALUTS_.id);
            var oUl=oDiv.getElementsByTagName('ul')[0];
            var aLi=oUl.getElementsByTagName('li');
            
            var l=oUl.offsetLeft;
            
            if(_DEFALUTS_.g_bMoveLeft)
            {
                l-=_DEFALUTS_.g_iSpeed;
                if(l<=-oUl.offsetWidth/2)
                {
                    l+=oUl.offsetWidth/2;
                }
            }
            else
            {
                l+=_DEFALUTS_.g_iSpeed;
                if(l>=0)
                {
                    l-=oUl.offsetWidth/2;
                }
            }
            
            if(_DEFALUTS_.g_bPause)
            { 
                if(Math.abs(l-Math.round(l/aLi[0].offsetWidth)*aLi[0].offsetWidth)<Math.ceil(_DEFALUTS_.g_iSpeed/2))
                {
                    stopMove();
                    _DEFALUTS_.g_oTimerOut=setTimeout
                    (
                        function ()
                        {
                            startMove(_DEFALUTS_.g_bMoveLeft);
                        }, _DEFALUTS_.g_iPauseTime
                    );
                    
                    l=Math.round(l/aLi[0].offsetWidth)*aLi[0].offsetWidth;
                }
            }
            
            oUl.style.left=l+'px';
        }
 
 
    }
 
 
 
    return LandscapeSlider;
 
})