/*

 * version : 2.6
 */
string.prototype.trim = function() {return (this.replace(/^\s+|\s+$/g,""));}
string.prototype.ltrim = function() {return (this.replace(/^\s*/,""));}
string.prototype.rtrim = function() {return (this.replace(/\s*$/,""));}

var zj = {
    sethome: function () {
        var url = document.location.protocol + "//" + document.location.hostname;
        if (document.all) {
            document.body.style.behavior = 'url(#default#homepage)';
            document.body.sethomepage(url);
        } else if (window.sidebar) {
            if (window.netscape) {
                try {
                    netscape.security.privilegemanager.enableprivilege("universalxpconnect");
                } catch (e) {
                    alert("该操作被浏览器拒绝");
                }
            }
            var prefs = components.classes['@mozilla.org/preferences-service;1'].getservice(components.interfaces.nsiprefbranch);
            prefs.setcharpref('browser.startup.homepage', url);
        }
    },
    addfavorite: function (url, title) {
        try {
            if (url == null) url = document.location.href;
            if (title == null) title = document.title;
            if (document.all) {
                window.external.addfavorite(url, title);
            } else if (window.sidebar) {
                window.sidebar.addpanel(title, url, "");
            }

        } catch (e) {
            alert("加入收藏失败，请使用ctrl+d进行添加");
        }
    },
    getcookie: function (name) {
        var cookie_start = document.cookie.indexof(name);
        var cookie_end = document.cookie.indexof(";", cookie_start);
        if (cookie_start == -1) {
            return "";
        } else {
            var length = cookie_end > cookie_start ? cookie_end : document.cookie.length;
            var val = document.cookie.substring(cookie_start + name.length + 1, length);
            return unescape(val);
        }
    },
    setcookie: function (cookiename, cookievalue, seconds, path, domain, secure) {
        var expires = new date();
        expires.settime(expires.gettime() + seconds);
        document.cookie = escape(cookiename) + '=' + escape(cookievalue)
        + (expires ? '; expires=' + expires.togmtstring() : '')
        + (path ? '; path=' + path : '/')
        + (domain ? '; domain=' + domain : '')
        + (secure ? '; secure' : '');
    },
    deletecookie: function (name) {
        var date = new date();
        date.settime(date.gettime() - 10000);
        document.cookie = name + "=a; expires=" + date.togmtstring();
    },
    enter: function (event, linkopentype) {
        if (event.keycode == 13 && !(event.srcelement && (event.srcelement.tagname.tolowercase() == "textarea"))) {
            var defaultbutton = jquery(linkopentype);
            if (defaultbutton && typeof (defaultbutton.click) != "undefined") {
                defaultbutton.click();
                event.cancelbubble = true;
                if (event.stoppropagation)
                    event.stoppropagation();
                return false;
            }
        }
        return true;
    },
    tabover: function (tabname, divname, hovercss) {
        jquery("[name='" + tabname + "'] li").hover(function () {
            jquery("[name='" + divname + "'] > div").hide();
            jquery("[name='" + tabname + "'] li").removeclass(hovercss);
            alert(jquery("[name='" + divname + "'] > div").eq(jquery(this).index()).html());
            jquery("[name='" + divname + "'] > div").eq(jquery(this).index()).show();
        }, function () {
        });
    },
    tabclick: function (tabname, divname, hovercss) {
        jquery("[name='" + tabname + "'] li").click(function () {
            jquery("[name='" + divname + "'] > div").hide();
            jquery("[name='" + tabname + "']  li").removeclass(hovercss);

            jquery(this).addclass(hovercss);
            jquery("[name='" + divname + "'] > div").eq(jquery(this).index()).show();
        });
    },
    getquery: function (name, defaultvalue) {
        var vstr = defaultvalue;
        var search = document.location.search.tolowercase();
        search = search.substring(1, search.length);

        var arr = search.split("&");
        for (i = 0; i < arr.length; i++) {
            var temp = arr[i].split("=");
            if (temp[0] == name) {
                vstr = temp[1];
                break;
            }
        }
        return vstr;
    },
    getquery2: function (search, name) {
        var vstr = "";
        search = search.tolowercase();
        search = search.substring(1, search.length);

        var arr = search.split("&");
        for (i = 0; i < arr.length; i++) {
            var temp = arr[i].split("=");
            if (temp[0] == name) {
                vstr = temp[1];
                break;
            }
        }
        return vstr;
    },
    addquery: function (name, value) {
        var path = document.location.pathname;
        var search = document.location.search.tolowercase();
        search = search.substring(1, search.length);
        var newsearch = "?";
        var arr = search.split("&");
        for (i = 0; i < arr.length; i++) {
            if (arr[i] == "") continue;
            var temp = arr[i].split("=");
            if (temp[0] == name) continue;
            newsearch += arr[i] + "&";
        }
        newsearch += name + "=" + value;
        return path + newsearch;
    },
    addquery2: function (url, name, value) {
        var arr = url.split('?');
        if (arr.length == 1) return url + "?" + name + "=" + value;

        var path = arr[0];
        var search = arr[1];
       
        var newsearch = "?";
        var arr1 = search.split("&");
        for (i = 0; i < arr1.length; i++) {
            var temp = arr1[i].split("=");
            if (temp[0] == name) continue;
            newsearch += arr1[i] + "&";
        }
        newsearch += name + "=" + value;
        return path + newsearch;
    },
    getdomain: function () {
        var url = document.location.protocol + "//" + document.location.host;
        return url;
    },
    validtip: function (tipcss) {
        jquery(tipcss).each(function () {
            var inputid = jquery(this).attr("controltovalidate");
            var w = jquery("#" + inputid).width();
            var offset = jquery("#" + inputid).offset();
            var l = offset.left;
            var t = offset.top;
            jquery(this).css({ left: l + w, top: t });
        });
    },
    validtipv: function (tipcss) {
        jquery(tipcss).each(function () {
            var inputid = jquery(this).attr("controltovalidate");
            var h = jquery("#" + inputid).height();
            var offset = jquery("#" + inputid).offset();
            var l = offset.left;
            var t = offset.top;
            jquery(this).css({ left: l, top: t + h });
        });
    },
    fiximagesize: function (filter, w, h) {
        if (filter == null) return;
        if (w == null) w = 700;
        if (h == null) h = 2000;

        jquery(filter).find("img").bind("load", function () {
            var img = jquery(this).get(0);
            var heightwidth = img.offsetheight / img.offsetwidth;
            var widthheight = img.offsetwidth / img.offsetheight;

            if (img.offsetheight > 1)
                if (img.readystate != "complete") {
                    return false; //确保图片完全加载
                }
            if (img.offsetwidth > w) {
                img.width = w;
                img.height = w * heightwidth;
            }
            if (img.offsetheight > h) {
                img.height = h;
                img.width = h * widthheight;
            }
        });
    }
};