function loginSubmit(login){
var userName = login.elements['username'];
var password = login.elements['password'];
var loginSelect = login.elements['loginSelect'].value;
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;}
if(loginSelect == "内网"){return true;}
if(loginSelect == "链接"){userName.name = "username";password.name = "passwd";login.action="/admin/link_chklogin.asp"}
if(loginSelect == "AD"){userName.name = "username";password.name = "userpwd";login.action="/admin/chklogin.asp"}
login.submit();
}
function enterSubmit(event){
var obj = event.srcElement?event.srcElement:event.target;
var login = obj.form;
if(event.keyCode==13){loginSubmit(login);}
}

document.write('<FORM name=login method=post action=/gybhy/checklogin.asp target=_self onSubmit="return loginSubmit(this);">'
	+ '用户名<input id=userName maxLength=16 size=8 name=username class=input2>'
 		+ '密码<input id=password maxLength=20 size=8 name=password type=password class=input2>'
 		+ '<select id=loginSelect  nkeydown=enterSubmit(event)>'
 		+ '<option value=内网 selected=selected>内网</option>'
 		+ '<option value=链接>链接</option>'
 		+ '<option value=AD> - - </option>'
 		+ '</select>'
 		+ '<input type=submit value=登录>'
 		+ '<a href=http://172.16.0.71/ioffice target=_blank><img src=/ad/ioffice.gif alt=OA系统内部网络入口 width=61 height=18 border=0 /></a>'
	+ '</FORM>');