function QueryString(a) { this.params = {}; this.get = QueryString_get; if (a == null) a = location.search.substring(1, location.search.length); if (a.length == 0) return null; a = a.replace(/\+/g, " "); a = a.split("&"); for (var c = 0; c < a.length; c++) { var b; b = a[c].split("="); var d = unescape(b[0]); b = b.length == 2 ? unescape(b[1]) : d; this.params[d] = b } } function QueryString_get(a, c) { if (c == null) c = null; var b = this.params[a]; if (b == null) b = c; return b };