anchor.diff:          $.ajax({
               async : false,//将async设置为false,才能使得return 返回true/false有效
               type : 'post',
  -//            url : 'saveWebsite?websiteName='+websiteName+'&websiteUrl='+websiteUrl+'&siteType='+siteType,
               url : 'saveWebsite',
  -//            dataType: "json",
               data: website,
               success : function (msg){
                   if(msg == 'success'){
                       alert("添加成功");
  -                    //location.reload(true);
  +                    location.reload(true);
                   }else{
                       alert("添加失败");
                   }
               }
           });
  +    }
  +
  +    function checkSiteName() {
  +        var siteName = $("#websiteName").val();
  +        var flag = 0;
  +
  +        if(siteName == "") {
  +            $("#prompt_site_name").html("网站名称不能为空！！");
  +            $("#prompt_site_name").css("display", "inline");
  +            $("#prompt_site_name").css("color", "red");
  +            $("#prompt_site_name").css("font-size", "14px");
  +
  +            return false;
  +        }
  +
  +        $.ajax({
  +            type : 'post',
  +            url : 'checkSiteName?siteName=' + siteName,
  +            success : function (msg) {
  +                if(msg == "exist") {
  +                    $("#prompt_site_name").html("网站名称已存在！！");
  +                    $("#prompt_site_name").css("display", "inline");
  +                    $("#prompt_site_name").css("color", "red");
  +                    $("#prompt_site_name").css("font-size", "14px");
  +                    flag = 1;
  +                } else {
  +                    $("#prompt_site_name").html("");
  +                    $("#prompt_site_name").css("display", "inline");
  +                }
  +            }
  +        });
  +
  +        if(flag == 1) {
  +            return false;
  +        } else {
  +            return true;
  +        }
  +    }
  +
  +    function checkSiteUrl() {
  +        var siteUrl = $("#websiteUrl").val();
  +        var flag = 0;
  +
  +        if(siteUrl == "") {
  +            $("#prompt_site_url").html("Url不能为空！！");
  +            $("#prompt_site_url").css("display", "inline");
  +            $("#prompt_site_url").css("color", "red");
  +            $("#prompt_site_url").css("font-size", "14px");
  +
  +            return false;
  +        }
  +
  +        var is_url = isUrl(siteUrl);
  +
  +        if(!is_url) {
  +            $("#prompt_site_url").html("不是正确的URL！！");
  +            $("#prompt_site_url").css("display", "inline");
  +            $("#prompt_site_url").css("color", "red");
  +            $("#prompt_site_url").css("font-size", "14px");
  +
  +            return false;
  +        }
  +
  +        $.ajax({
  +            type : 'post',
  +            url : 'checkSiteUrl?siteUrl=' + siteUrl,
  +            success : function (msg) {
  +                if(msg == "exist") {
  +                    $("#prompt_site_url").html("网站URL已存在！！");
  +                    $("#prompt_site_url").css("display", "inline");
  +                    $("#prompt_site_url").css("color", "red");
  +                    $("#prompt_site_url").css("font-size", "14px");
  +                    flag = 1;
  +                } else {
  +                    $("#prompt_site_url").html("");
  +                    $("#prompt_site_url").css("display", "inline");
  +                }
  +            }
  +        });
  +
  +        if(flag == 1) {
  +            return false;
  +        } else {
  +            return true;
  +        }
  +    }
  +
  +    function isUrl(str_url) {
  +        var strRegex = "^((https|http|ftp|rtsp|mms)?://)"
  +            + "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" //ftp的user@
  +            + "(([0-9]{1,3}\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184
  +            + "|" // 允许IP和DOMAIN（域名）
  +            + "([0-9a-z_!~*'()-]+\.)*" // 域名- www.
  +            + "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\." // 二级域名
  +            + "[a-z]{2,6})" // first level domain- .com or .museum
  +            + "(:[0-9]{1,4})?" // 端口- :80
  +            + "((/?)|" // a slash isn't required if there is no file name
  +            + "(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$";
  +        var re=new RegExp(strRegex);
  +        //re.test()
  +        if (re.test(str_url)){
  +            return true;
  +        }else{
  +            return false;
  +        }
       }
   </script>
   
  
positive.code: 
  <script>
      function saveWS(){
          var website = {}
  
  //        var websiteName = $("#websiteName").val();
  //        var websiteUrl = $("#websiteUrl").val();
  
negative.code:                         <div class="control-group">
                              <label class="control-label">网站名称</label>
                              <div class="controls">
                                  <input type="text" name="websiteName" id="websiteName" onblur="checkSiteName()" placeholder="网站名称"/>
                                  <label id="prompt_site_name" ></label>
                              </div>
                          </div>
                          <div class="control-group">
                              <label class="control-label">URL</label>
                              <div class="controls">
                                  <input name="websiteUrl" type="text" id="websiteUrl" onblur="checkSiteUrl()" placeholder="url"/>
                                  <label id="prompt_site_url" style="font-size: 9px;display: none"></label>
                              </div>
  
                          </div>
                          <div class="control-group">
                              <label class="control-label">网站类型</label>
  