function loginSubmit(form2){ var userName = form2.elements['Yx_vipName']; var password = form2.elements['Yx_vipPassword']; if(userName.value == ""){alert("请输入用户名");return false} if(password.value == ""){alert("请输入密码");password.focus();return false} location.href="?usrname="+userName.value; } document.writeln(""); document.write("") document.writeln(" "); document.writeln(" "); document.writeln(" "); document.writeln(" "); document.writeln(" "); document.writeln(" "); document.write(""); document.writeln("
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用户登录>>   
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用户名:
密  码:
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