登陆界面(jsp)客户端验证(5)

                } 
                //判断兴趣选项 
                var aihao=document.getElementsByName("aihao"); 
                var m=0; 
                for ( var i=0;i<aihao.length;i++) 
                { 
                    if (aihao[i].checked) 
                    { 
                      m++; 
                    } 
                 
                } 
                if (m<2) 
                { 
                    alert("兴趣必须多于两个！"); 
                    return false; 
                } 
                //判断说明是否为空 
                var txtValue=document.getElementById("txtTest").value; 
                if (txtValue.length<10) 
                { 
                    alert("说明长度不能少于十个字母！"); 
                    return false;