//批量删除
            function deleteall()
            {
                    var strs = document.getElementsByName("pushmsg");//你checkbox的名称/* <input type="checkbox" name="pushmsg" value="">*/                    var objarray = strs.length;
                    var ids = "";
                    var mymessage = new Array();
                    for (i = 0; i < objarray; i++) {
                        if (strs[i].checked == true) {
                            mymessage = strs[i].value.split(",");
                            mymessage[0]= "'"+mymessage[0]+"'";
                            ids += mymessage[0] + ",";
                        }
                    }
                    if(ids==''){
                        alert("请选择需要删除的信息");
                        return;
                    }else{
                        if(confirm("您确定都要删除吗？")){

                            window.location.href='你后台处理删除的路径'                        }
                    }
            }