(function($) {
    $.fn.addOption = function() {
        var add = function(el, v, t, sO) { var option = document.createElement("option"); option.value = v, option.text = t; var o = el.options; var oL = o.length; if (!el.cache) { el.cache = {}; for (var i = 0; i < oL; i++) { el.cache[o[i].value] = i; } } if (typeof el.cache[v] == "undefined") el.cache[v] = oL; el.options[el.cache[v]] = option; if (sO) { option.selected = true; } }; var a = arguments; if (a.length == 0) return this; var sO = true; var m = false; var items, v, t; if (typeof (a[0]) == "object") { m = true; items = a[0]; } if (a.length >= 2) { if (typeof (a[1]) == "boolean") sO = a[1]; else if (typeof (a[2]) == "boolean") sO = a[2]; if (!m) { v = a[0]; t = a[1]; } } this.each(function() {
            if (this.nodeName.toLowerCase() != "select") return; if (m) { for (var item in items) { add(this, item, items[item], sO); } } else
            { add(this, v, t, sO); } 
        }); return this;
    }; $.fn.ajaxAddOption = function(url, params, select, fn, args) {
        if (typeof (url) != "string") return this; if (typeof (params) != "object") params = {}; if (typeof (select) != "boolean") select = true; this.each(function() {
            var el = this; $.getJSON(url, params, function(r) {
                $(el).addOption(r, select); if (typeof fn == "function") {
                    if (typeof args == "object") { fn.apply(el, args); } else
                    { fn.call(el); } 
                } 
            });
        }); return this;
    }; $.fn.removeOption = function() {
        var a = arguments; if (a.length == 0) return this; var ta = typeof (a[0]); var v, index; if (ta == "string" || ta == "object" || ta == "function") v = a[0]; else if (ta == "number") index = a[0]; else return this; this.each(function() {
            if (this.nodeName.toLowerCase() != "select") return; if (this.cache) this.cache = null; var remove = false; var o = this.options; if (!!v) { var oL = o.length; for (var i = oL - 1; i >= 0; i--) { if (v.constructor == RegExp) { if (o[i].value.match(v)) { remove = true; } } else if (o[i].value == v) { remove = true; } if (remove && a[1] === true) remove = o[i].selected; if (remove) { o[i] = null; } remove = false; } } else {
                if (a[1] === true) { remove = o[index].selected; } else
                { remove = true; } if (remove) { this.remove(index); } 
            } 
        }); return this;
    }; $.fn.sortOptions = function(ascending) {
        var a = typeof (ascending) == "undefined" ? true : !!ascending; this.each(function() {
            if (this.nodeName.toLowerCase() != "select") return; var o = this.options; var oL = o.length; var sA = []; for (var i = 0; i < oL; i++) { sA[i] = { v: o[i].value, t: o[i].text} } sA.sort(function(o1, o2) {
                o1t = o1.t.toLowerCase(), o2t = o2.t.toLowerCase(); if (o1t == o2t) return 0; if (a) { return o1t < o2t ? -1 : 1; } else
                { return o1t > o2t ? -1 : 1; } 
            }); for (var i = 0; i < oL; i++) { o[i].text = sA[i].t; o[i].value = sA[i].v; } 
        }); return this;
    }; $.fn.selectOptions = function(value, clear) {
        var v = value; var vT = typeof (value); var c = clear || false; if (vT != "string" && vT != "function" && vT != "object") return this; this.each(function() {
            if (this.nodeName.toLowerCase() != "select") return this; var o = this.options; var oL = o.length; for (var i = 0; i < oL; i++) {
                if (v.constructor == RegExp) { if (o[i].value.match(v)) { o[i].selected = true; } else if (c) { o[i].selected = false; } } else
                { if (o[i].value == v) { o[i].selected = true; } else if (c) { o[i].selected = false; } } 
            } 
        }); return this;
    }; $.fn.copyOptions = function(to, which) { var w = which || "selected"; if ($(to).size() == 0) return this; this.each(function() { if (this.nodeName.toLowerCase() != "select") return this; var o = this.options; var oL = o.length; for (var i = 0; i < oL; i++) { if (w == "all" || (w == "selected" && o[i].selected)) { $(to).addOption(o[i].value, o[i].text); } } }); return this; }; $.fn.containsOption = function(value, fn) {
        var found = false; var v = value; var vT = typeof (v); var fT = typeof (fn); if (vT != "string" && vT != "function" && vT != "object") return fT == "function" ? this : found; this.each(function() {
            if (this.nodeName.toLowerCase() != "select") return this; if (found && fT != "function") return false; var o = this.options; var oL = o.length; for (var i = 0; i < oL; i++) {
                if (v.constructor == RegExp) { if (o[i].value.match(v)) { found = true; if (fT == "function") fn.call(o[i]); } } else
                { if (o[i].value == v) { found = true; if (fT == "function") fn.call(o[i]); } } 
            } 
        }); return fT == "function" ? this : found;
    }; $.fn.selectedValues = function() { var v = []; this.find("option:selected").each(function() { v[v.length] = this.value; }); return v; };
})(jQuery);