jquery+ajax请求且带返回值的代码

<script type="text/javascript">
/ 请求Ajax 带返回值，并弹出提示框提醒 
--------------------------------------------------/ 
function getAjax(url,parm,callBack) 
{ 
 $.ajax({ 
  type:'post', 
  dataType:"text", 
  url:url, 
  data:parm, 
  cache:false, 
  async:false, 
  suess:function (msg) { 
   callBack(msg); 
  } 
 }) 
} 
/删除 
/url: 表示请求路径 
--------------------------------------------------/ 
function DeleteData(url,id) 
{ 
 var parm='active=Del&id='+id; 
 if(id==undefined||id=="") 
 { 
  showAlertMsg('请选择要删除一行'); 
 } 
 else 
 { 
  showConfirmMsg("此操作不可恢复，确定要删除吗？",function(r){ 
   if(r)
   { 
    getAjax(url,parm,function(rs) 
    { 
     if(parseInt(rs)>0) 
     { 
      showOverAlertMsg("删除成功！",2000,4); 
     } 
     else if(parseInt(rs) == 0) 
     { 
      showOverAlertMsg("该数据被关联,无法删除！",2000,3); 
     } 
     else 
     { 
      showOverAlertMsg("删除失败！", 2000, 5); 
     } 
    }) 
   } 
  }) 
 } 
} 
//删除 
function DeleteOnclick() 
{ 
 DeleteData('SysMenu_List.aspx', Menu_Id); 
} 
</script>

isCompany :function(name){
  var flag = 0;
  if(name == '') {
    return false;
  }else{
    $.ajax({
      type: "POST",
      url: '/checkCompany/name/' + name,
      cache: false,
      suess: function(data){
         return data > 0 ? false : true;
      }
     })
  }
}

isCompany :function(name){
  var flag = 0;
  if(name == '') {
    return false;
  }else{
    $.ajax({
      type: "POST",
      url: '/checkName/name/' + name,
      cache: false,
      async: false,
      suess: function(data){
        flag = data;
      }
    })
  }
  return flag > 0 ? false : true;
}