<script>    window.onload = function () {        //获取checkbox        var ids1 = document.getElementsByName(‘VoteOption1‘);                    //获取值        var choose1 = document.getElementById(‘ctl00_ContentPlaceHolder1_Facilities_864‘).value.split(‘,‘);                        for (var i = 0; i < ids1.length; i++) {            if (contains(choose1, ids1[i].value))            { ids1[i].checked = true; }        }                }        //a:值    //obj:checkbox    function contains(a, obj) {        var i = a.length;        while (i--) {            if (a[i] === obj) {                return true;            }        }        return false;    }</script>