[Alexandr Zhuravlev]

Мои 5 копеек

                var s = window.location.search;
                var re = /([^&?=]+)=([^&]*)?/g;
                var Query = new Object();
                var arr;
                while(arr = re.exec(s)) {
                    Query[ arr[1] ] = arr[2];
                }
 
                for(a in Query) {
                    document.write(a  + "=" + Query[a] + "<br>");
                }