www.gusucode.com > 25175 学生同学录管理系统 2007 build 1231D源码程序 > js/user_login.js
function SetFocus() { if (document.userlogin.UserName.value=="") document.userlogin.UserName.focus(); else document.userlogin.UserName.select(); } function CheckForm() { if(document.userlogin.UserName.value=="") { alert("请输入用户名!"); document.userlogin.UserName.focus(); return false; } if(document.userlogin.Password.value == "") { alert("请输入密码!"); document.userlogin.Password.focus(); return false; } if (document.userlogin.CheckCode.value==""){ alert ("请输入您的验证码!"); document.userlogin.CheckCode.focus(); return false; } }