if (typeof(iPad) === "undefined") {
    iPad = {}
}

iPad.Detector = {
    getAgent: function() {
        return navigator.userAgent.toLowerCase()
    },
    isWebKit: function(b) {
        if (this._isWebKit === undefined) {
            var a = b || this.getAgent();
            this._isWebKit = !!a.match(/AppleWebKit/i);
            this.isWebKit = function() {
                return this._isWebKit
            }
        }
        return this._isWebKit
    },
    isiPad: function(b) {
        var a = b || this.getAgent();
        return !! (this.isWebKit(a) && a.match(/ipad/i))
    },
    hasLoaded: function(obj, fCallback) {
        if (this.ie) {
            obj.onreadystatechange = function() {
                if (this.readyState == 'loaded' || this.readyState == 'complete') {
                    fCallback()
                }
            }
        } else if (this.moz) {
            obj.onload = function() {
                fCallback()
            }
        } else {
            fCallback()
        }
    },
    _hasLocalStorage: null,
    hasLocalStorage: function() {
        if (this._hasLocalStorage !== null) {
            return this._hasLocalStorage
        }
        try {
            if (typeof localStorage !== "undefined" && "setItem" in localStorage) {
                localStorage.setItem("ipad_browser_detect", "test");
                this._hasLocalStorage = true;
                localStorage.removeItem("ipad_browser_detect", "test")
            } else {
                this._hasLocalStorage = false
            }
        } catch(a) {
            this._hasLocalStorage = false
        }
        return this._hasLocalStorage
    },
    _hasCookies: null,
    hasCookies: function() {
        if (this._hasCookies !== null) {
            return this._hasCookies
        }
        this._hasCookies = ("cookie" in document && !!navigator.cookieEnabled) ? true: false;
        return this._hasCookies
    }
}
iPad.Operating = iPad.prototype = {
    $: function(id) {
        return document.getElementById(id)
    },
    $$: function(o, e) {
        return this.$(o).getElementsByTagName(e)
    },
    setCookie: function(c_name, value, expiredays) {
        var exdate = new Date();
        exdate.setDate(exdate.getDate() + expiredays);
        document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "": ";expires=" + exdate.toGMTString());
    },
    getCookie: function(c_name) {
        if (document.cookie.length > 0) {
            c_start = document.cookie.indexOf(c_name + "=");
            if (c_start != -1) {
                c_start = c_start + c_name.length + 1;
                c_end = document.cookie.indexOf(";", c_start);
                if (c_end == -1) c_end = document.cookie.length
                return unescape(document.cookie.substring(c_start, c_end));
            }
        }
        return ""
    },
	removeCookie : function(a) {
    var b = "; expires=" + (new Date).toGMTString();
    document.cookie = a + "=" + b + "; domain=xinhuanet.com; path=/"
   },
   setLS : function(a, b) {
	   if(iPad.Detector.hasLocalStorage()){
	      localStorage.setItem(a, b);
	   }
   },
   getLS : function(a) {
	   if(iPad.Detector.hasLocalStorage()){
	      return localStorage[a];
	   }
   },
   removeLS : function(a, b) {
	   if(iPad.Detector.hasLocalStorage()){
	      localStorage.removeItem(a, b);
	   }
   },
   addEvent: function(l, i, I) {
        if (l.attachEvent) {
            l.attachEvent("on" + i, I)
        } else {
            l.addEventListener(i, I, false)
        }
    },
    delEvent: function(l, i, I) {
        if (l.detachEvent) {
            l.detachEvent("on" + i, I)
        } else {
            l.removeEventListener(i, I, false)
        }
    }
}