收藏的JavaScript库

var ZAC = new Object();
ZAC.isKHTML = navigator.appVersion.match(/Konqueror|Safari|KHTML/);
ZAC.isMoz = !ZAC.isKHTML && navigator.userAgent.indexOf('Mozilla/5.') == 0;
ZAC.isIE = navigator.userAgent.indexOf('MSIE') > 1;
ZAC.isMac = navigator.appVersion.match(/Mac/);
Object.extend(ZAC, {
    h: function(o) {
        var s = 0;
        for (i = 0; i < o.length; i++) {
            s += o.charCodeAt(i);
        };
        var base = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
        var h = base.substr(s & 63, 1);
        while (s > 63) {
            s >>= 6;
            h = base.substr(s & 63, 1) + h;
        };
        return h;
    },
    y: function(o) {
        return true;
    },
    w: function() {
        return "";
    },
    b: function(text) {
        return text.substring(text.indexOf('{') + 1, text.lastIndexOf('}'));
    },
    focus: function(t) {
        t.focus();
        var l = t.value.length;
        if (ZAC.isIE) {
            var r = t.createTextRange();
            r.moveStart('character', l);
            r.moveEnd('character', l);
            r.select();
        } else {
            t.setSelectionRange(l, l);
        };
    }
});
ZAC.AutoComplete = Class.create();
Object.extend(ZAC.AutoComplete, {
    u: function(e) {
        while (e = e.parentNode) {
            if (e.style) {
                if (e.style.overflow == 'hidden') e.style.overflow = 'visible';
                if (e.style.tableLayout == 'fixed') e.style.tableLayout = 'auto';
            }
        }
    },
    removeWatermark: function(name, key) {
        var cls = ZAC.AutoComplete;
        cls.owner = name + ' AutoComplete';
        cls.key = key;
    },
    style: {
        wait: 'ZAC_AutoComplete_waiting'
    },
    findPopup: function(v) {
        var e = Event.element(v);
        e = e ? e: v;
        while (e && e.parentNode && !e.object) e = e.parentNode;
        if (e == null) return null;
        return e.parentNode ? e: null;
    },
    I: function(e) {
        return (e.nodeType == 1) && (e.getAttribute('onselect'));
    },
    F: function(v, p) {
        var e = Event.element(v);
        while (e.parentNode && (e != p) && (!ZAC.AutoComplete.I(e))) e = e.parentNode;
        return (e.parentNode && (e != p)) ? e: null;
    },
    process: function(e, o) {
        if (!Element.hasClassName(e, 'usual')) {
            var url;
            if (e.getAttribute('ajaxHref')) url = e.getAttribute('ajaxHref');
            else url = e.getAttribute('href');
            o.request(url);
        }
    },
    click: function(v) {
        var cls = ZAC.AutoComplete;
        var e = Event.element(v);
        var p = cls.findPopup(v);
        if (p) {
            var t = p.object.text;
            ZAC.focus(t);
            var s = cls.F(v, p);
            var o = p.object;
            if (s) {
                o.i = s.getAttribute(cls.index);
                o.z();
            } else {
                while (e.parentNode && (e != p) && (!e.tagName || e.tagName.toUpperCase() != 'A')) e = e.parentNode;
                if (e.parentNode && (e != p)) cls.process(e, o, v);
            }
        } else {
            cls.inst.each(function(i) {
                if (i.text != e && i.update != e) setTimeout(i.hide.bind(i), 10);
            });
        }
    },
    mouseover: function(v) {
        var cls = ZAC.AutoComplete;
        var p = cls.findPopup(v);
        if (p) {
            var s = cls.F(v, p);
            if (s) p.object.focus(s.getAttribute(cls.index));
        }
    },
    L: function() {
        var c = ZAC;
        var ca = c.AutoComplete;
        var p = document.createElement('div');
        p.className = ca.style.wait;
        var s = p.style;
        s.display = 'inline';
        s.position = 'absolute';
        s.width = s.height = s.top = s.left = '0px';
        document.body.appendChild(p);
        if (c.isIE) c.selfName = self.name;
    },
    index: 'index',
    inst: new Array(),
    name: '',
    key: '',
    getStyle: function(e) {
        if (!ZAC.isKHTML && document.defaultView && document.defaultView.getComputedStyle) return document.defaultView.getComputedStyle(e, null);
        else return e.currentStyle || e.style;
    },
    getInt: function(s) {
        var i = parseInt(s);
        return isNaN(i) ? 0: i;
    }
});
Event.observe(window, 'load', ZAC.AutoComplete.L);
ZAC.AutoComplete.prototype = {
    visible: false,
    $c: false,
    initialized: false,
    timeout: 0,
    i: -1,
    latestQuery: '',
    initialize: function(text, f, options) {
        text = $(text) ? $(text) : document.getElementsByName(text)[0];
        if ((text == null) || (f == null) || (typeof f != 'function')) return;
        text.setAttribute('autocomplete', 'off');
        this.onchange = text.onchange;
        text.onchange = function() {};
        this.txtBox = this.text = text;
        this.setOptions(options);
        this.getURL = f;
        this.buffer = document.createElement('div');
        var p = document.createElement('div');
        p.object = this;
        Element.addClassName(p, 'ZAC_AutoComplete');
        var ps = p.style;
        ps.position = 'absolute';
        ps.top = '-999px';
        ps.height = 'auto';
        Element.hide(p);
        this.update = p;
        var cls = ZAC.AutoComplete;
        cls.inst.push(this);
        if (!ZAC.y(cls)) {
            new Insertion.After(this.text, ZAC.w());
            cls.u(this.text);
        };
        this.cls = cls;
        this.r();
    },
    setOptions: function(options) {
        this.options = {
             'auto',
            frequency: 0.4,
            minChars: 1,
            delimChars: ', '
        };
        Object.extend(this.options, options || {});
    },
    r: function() {
        this._k = this.k.bindAsEventListener(this);
        this.$r = this.request.bind(this);
        var t = this.text;
        if (ZAC.isMac) {
            t._ac = this;
            t.onkeypress = function(e) {
                return ! this._ac.$s;
            };
        };
        Event.observe(t, 'keydown', this.st.bind(this));
        Event.observe(t, 'keypress', this._k);
        Event.observe(t, 'dblclick', this.$r);
        Event.observe(t, 'focus', this.$f.bind(this));
        Event.observe(t, 'blur', this.blur.bind(this));
        if (this.cls.inst.length == 1) {
            Event.observe(document, 'click', this.cls.click);
            Event.observe(document, 'mouseover', this.cls.mouseover);
        };
        var e = this.text;
        while (e = e.parentNode) if (e.style && (e.style.overflow == 'scroll' || e.style.overflow == 'auto')) {
            this.scrollable = this.scrollable ? this.scrollable: e;
            Event.observe(e, 'scroll', this.onScroll.bind(this));
        }
    },
    st: function() {
        this.status = "on";
        this.$s = false;
    },
    onScroll: function() {
        var s = this.scrollable;
        if (s) {
            var p = this.t();
            var o = Position.cumulativeOffset(s);
            if (p[1] >= o[1] && p[1] < o[1] + s.offsetHeight && p[0] >= o[0] && p[0] < o[0] + s.offsetWidth && this.visible) this.s();
            else this.hide();
        }
    },
    t: function() {
        var p = Position.page(this.text);
        return [p[0] + (document.documentElement.scrollLeft || document.body.scrollLeft), p[1] + (document.documentElement.scrollTop || document.body.scrollTop)];
    },
    indexOfLatestQuery: function() {
        var d = this.options.delimChars,
        v = this.text.value,
        i,
        j,
        k = 0;
        for (i = v.length - 1; i >= 0; i--) {
            for (j = 0; j < d.length; j++) if (v.charAt(i) == d.charAt(j)) {
                k = i + 1;
                break;
            };
            if (k) break;
        };
        return k;
    },
    page: function(name) {
        var e = $A(document.getElementsByClassName(name)).find(function(e) {
            return this.cls.findPopup(e) == this.update;
        }.bind(this));
        if (e && e.tagName && e.tagName.toUpperCase() == 'A') this.cls.process(e, this);
    },
    $f: function() {
        if (this.status != 'on') {
            this.status = 'on';
            if (!this.visible && this.text.value == '') this.request();
        }
    },
    blur: function() {
        if (!this.visible) {
            this.status = 'off';
            setTimeout(function() {
                if (this.status == 'off') this.stop();
            }.bind(this), 10);
        }
    },
    stop: function() {
        this.c();
        this.stopIndicator();
        this.hide();
    },
    c: function() {
        if ((this.latest) && (this.latest.transport.readyState != 4)) this.latest.transport.abort();
    },
    k: function(e) {
        var c = e.keyCode;
        var t = e.type;
        if (c == 9) {
            if (this.visible || !this.$c) {
                if (c == 13) {
                    Event.stop(e);
                    this.$s = true;
                };
                if (this.visible) this.z();
            };
            return;
        };
        if (c == 38 || c == 40) {
            if (this.$c) { (c == 38) ? this.up() : this.down();
                this.s();
            };
        };
        if (c == 33 || c == 34) {
            if (this.$c)(c == 33) ? this.page('page_up') : this.page('page_down');
        };
        if (c == 27) this.stop();
        if (c == 38 || c == 40 || c == 33 || c == 34 || c == 27) {
            Event.stop(e);
            return;
        };
        switch (c) {
        case 9:
        case 37:
        case 39:
        case 35:
        case 36:
        case 45:
        case 16:
        case 17:
        case 18:
            break;
        default:
            clearTimeout(this.timeout);
            this.c();
            setTimeout(function() {
                this.timeout = setTimeout(this.$r, this.options.frequency * 1000);
            }.bind(this), 10);
        }
    },
    z: function() {
        var z = function(s) {
            s = ZAC.b(s.toString()).replace(new RegExp("[\\s\.{}();\\\"\\'\\\\/]", "g"), '');
            var z = 0;
            for (var i = 0; i < s.length; i++) z = (z + s.charCodeAt(i)) % 1986;
            return z;
        };
        var c = this.cls;
        var ca = ZAC;
        if (this.getItem()
        /*&&(z(ca.y)+z(ca.w)+z(ca.h)+z(c.u)+z(c.prototype.initialize)==3537)*/
        ) {
            try {
                eval(this.getItem().getAttribute('o' + 'n' + 'se' + 'le' + 'ct'));
            } catch(e) {
                this.onError(e)
            };
            ca.focus(this.text);
            if (this.onchange) {
                setTimeout(function() {
                    this.onchange.bind(this.text)();
                }.bind(this), 10);
            }
        };
        this.status = 'off';
        this.stop();
    },
    getItem: function() {
        return this.items ? this.items[this.i] : null;
    },
    focus: function(i) {
        if (!this.$c) return;
        Element.removeClassName(this.getItem(), 'current');
        this.i = i;
        Element.addClassName(this.getItem(), 'current');
        try {
            var z = this.getItem().getAttribute('onfocus');
            if (ZAC.isIE) z = ZAC.b(z.toString());
            eval(z);
        } catch(e) {}
    },
    up: function() {
        if (this.i > -1) this.focus(this.i - 1);
    },
    down: function() {
        if (this.i < this.items.length - 1) this.focus(this.i + 1);
    },
    preRequest: function() {
        this.value = this.text.value;
        this.latestQuery = this.value.substr(this.indexOfLatestQuery());
        var l = this.latestQuery ? this.latestQuery.length: this.text.value.length;
        if (!l) this.onReset();
        return l >= this.options.minChars;
    },
    request: function(u) {
        var z = typeof u != "string";
        if (z) {
            u = this.getURL();
            if (u == undefined) {
                this.stop();
                return;
            }
        };
        if (this.status == 'on' && this.preRequest()) {
            if (!z) {
                var l = location;
                var loc = l.protocol + '//' + l.host + l.pathname;
                if ((u.charAt(0) == '?') || ((u.indexOf(loc) == 0) && (u.charAt(loc.length) == '?'))) {
                    if (u.charAt(0) != '?') u = u.substr(loc.length);
                    u = this.$url + '&' + u.substr(1);
                };
            };
            this.onLoad();
            this.url = u;
            if (z) this.$url = this.url;
            this.latest = new Ajax.Updater(this.buffer, u, {
                method: 'get',
                onComplete: this.onComplete.bind(this),
                onFailure: this.onFailure.bind(this)
            });
        } else this.stop();
    },
    onError: function() {},
    onReset: function() {},
    onFailure: function() {},
    onLoad: function() {
        this.$c = false;
        this.i = -1;
        this.startIndicator();
    },
    onComplete: function() {
        setTimeout(this.d.bind(this, arguments[0]), 10);
    },
    o: function() {
        if (!this.initialized) {
            this.initialized = true;
            document.body.appendChild(this.update);
        };
        this.i = -1;
        this.items = new Array();
        if (ZAC.isIE) this.update.innerHTML += "<img style='0px;height:0px;clear:both' align='right'/>";
        $A(this.update.getElementsByTagName('a')).each(function(a) {
            if (!Element.hasClassName(a, 'usual')) {
                a.onclick = function() {
                    return false;
                };
            };
        });
        $A(this.update.getElementsByTagName('*')).each(function(c) {
            if (this.cls.I(c)) {
                c.setAttribute(this.cls.index, this.items.length);
                Element.addClassName(c, 'selectable');
                this.items.push(c);
            }
        }.bind(this));
        this.$c = true;
        this.down();
        this.s();
        this.stopIndicator();
    },
    d: function() {
        var l = this.latest;
        var tx = l.transport;
        if ((this.status == 'on') && (tx == arguments[0])) {
            if (this.latest.url != this.url) return;
            this.$c = true;
            if (!l.success) l.success = l.responseIsSuccess;
            try {
                if ((typeof tx.status != "unknown") && l.success()) {
                    var text = null;
                    if ((tx.responseXML) && (tx.responseXML.documentElement)) {
                        var docE = tx.responseXML.documentElement;
                        if (docE.nodeName == 'string') {
                            if (docE.text) {
                                text = docE.text;
                            } else if (docE.textContent) {
                                text = docE.textContent;
                            } else if (docE.firstChild.nodeValue) {
                                text = docE.firstChild.nodeValue;
                            }
                        }
                    };
                    if (text == null) text = this.buffer.innerHTML;
                    this.update.innerHTML = text;
                } else {
                    this.update.innerHTML = '<div>' + tx.status + ' ' + (tx.statusText ? tx.statusText: '') + '</div>';
                };
                this.o();
            } catch(e) {};
            this.buffer.innerHTML = '';
        };
    },
    offset: function() {
        var o = 0;
        if (ZAC.isMoz || ZAC.isKHTML || (ZAC.isIE && (document.compatMode != 'BackCompat'))) {
            var bl = 'border-left-width';
            var br = 'border-right-width';
            var pl = 'padding-left';
            var pr = 'padding-right';
            var f = new Function('e', 'p', 'return ZAC.AutoComplete.getInt(Element.getStyle(e, p));');
            o = f(this.update, bl) + f(this.update, br) + f(this.update, pl) + f(this.update, pr);
        };
        return o;
    },
    f: function() {
        if (!this.iframe) {
            var i = document.createElement('iframe');
            i.src = 'javascript:false;';
            var is = i.style;
            is.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity = 50)";
            is.position = 'absolute';
            is.margin = '0px';
            Element.hide(i);
            document.body.appendChild(i);
            this.iframe = i;
        };
        self.name = ZAC.selfName;
        Position.clone(this.update, this.iframe);
        Element.show(this.iframe);
    },
    s: function() {
        this.status = 'on';
        var z = function(s) {
            s = ZAC.b(s.toString()).replace(new RegExp("[\\s\.{}();\\\"\\'\\\\/]", "g"), '');
            var z = 0;
            for (var i = 0; i < s.length; i++) z = (z + s.charCodeAt(i)) % 1985;
            return z;
        };
        var c = this.cls;
        var ca = ZAC;
        var p = this.t();
        var th = this.text.offsetHeight;
        var tw = this.text.offsetWidth;
        if (this.options.width == 'auto') {
            tw = tw - this.offset() + 'px';
        } else {
            tw = this.options.width;
        };
        if (ca.isIE) {
            if (this.update.filters.length == 0) this.update.style.filter = "filter: progid:DXImageTransform.Microsoft.DropShadow(OffX=2, OffY=2, Color='#c0c0c0', Positive='true')";
        };
        if (!this.visible) Element.setStyle(this.update, {
            top: '-999px',
            left: '-999px',
             tw,
            height: 'auto'
        });
        if (this.status == 'on') {
            Element.show(this.update);
            var o = function() {
                var ph = this.update.offsetHeight;
                var pt = p[1] + th;
                var of;
                if ((Position.page(this.text)[1] + th + ph <= (window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight)) || (p[1] - ph < 0)) {
                    pt = p[1] + th;
                    of = th;
                } else {
                    pt = p[1] - ph;
                    of = -ph;
                };
                if (this.status != 'on') return;
                Element.setStyle(this.update, {
                    top: pt + 'px',
                    left: p[0] + 'px',
                     tw,
                    height: 'auto'
                });
                if (ZAC.isIE) this.f();
                this.visible = true;
            }.bind(this);
            setTimeout(o, 64);
            setTimeout(o, 128);
        }
    },
    hide: function() {
        if (this.visible) {
            Element.hide(this.update);
            if (this.iframe) Element.hide(this.iframe);
            this.visible = false;
        }
    },
    startIndicator: function() {
        Element.addClassName(this.text, this.cls.style.wait);
    },
    stopIndicator: function() {
        Element.removeClassName(this.text, this.cls.style.wait);
    }
};
var AutoComplete = ZAC.AutoComplete;
try {
    var a = "prototype.js";
    var b = "license.js";
    document.write("<scr" + "ipt src=\"" + $A(document.getElementsByTagName("script")).find(function(script) {
        return script.src.indexOf(a) > -1;
    }).src.replace(a, b) + "\"><\/scr" + "ipt>");
} catch(e) {};