// JScript 文件
function CheckUser(obj)
    {
        ctl00_ContentPlaceHolder1_span1.innerHTML="";
        ctl00_ContentPlaceHolder1_span2.innerHTML="";
        var UserName=obj.value;
        if(UserName.replace(/(^\s*)|(\s*$)/g, "")=="")
        {
             ctl00_ContentPlaceHolder1_span1.innerHTML="用户名不能为空！</font>";
             ctl00_ContentPlaceHolder1_span2.innerHTML="*";
        }
        else
        {
            WebSite_Register.CheckUserName(UserName,CheckUserName_CallBack);
        }         
    }
    function CheckUserName_CallBack(res)
    {
        var r=res.value;
        if(r==0)
        {
            ctl00_ContentPlaceHolder1_span1.innerHTML="";
            ctl00_ContentPlaceHolder1_span2.innerHTML="";
            alert("恭喜您，该用户名可用！");
        }
        else
        {
            ctl00_ContentPlaceHolder1_span1.innerHTML="该用户名已存在！";
            ctl00_ContentPlaceHolder1_span2.innerHTML="*";
        }
    }