function login(){
	strUserName=document.lg001Form.strUserName.value;
	strPassWord=document.lg001Form.strPassWord.value;
	if(isNull(strUserName)){
		alert("请输入用户名称！");
		//return false;
	}else{
	if(isNull(strPassWord)){
		alert("请输入登陆密码！");
		//return false;
	}else{
	document.lg001Form.submit();}}
}