function loginSubmit(){
	var userName = document.getElementById("userName");
	var password = document.getElementById("password");
	var domain = document.getElementById("loginSelect");
	var login = document.getElementById("login");
	var loginSelect = document.getElementById("loginSelect").value;
	var objSubmit = document.getElementById("submit");
	var src = document.getElementById("src");
	if(userName.value == ""){alert("请输入用户名！");return false;}
	if(password.value == ""){alert("请输入邮箱密码！");password.focus();return false;}
	
	userName.value=userName.value+"@"+loginSelect;
	if(loginSelect == "mail.scuec.edu.cn")
	{
		userName.name = "LoginName";password.name = "Password";login.action="http://mail.scuec.edu.cn/cgi-bin/login";
	}
	if(loginSelect == "scuec.edu.cn"){
		userName.name = "LoginName";password.name = "Password";login.action="http://mail.scuec.edu.cn/cgi-bin/login";
	}
	objSubmit.submit;
}