function chkyou()
{
if(document.UserLogin.UserName.value=="")
	{
		alert("请输入您的用户名！");
		document.UserLogin.UserName.focus()
		return false;
	}
if(document.UserLogin.Password.value=="")
	{
		alert("请输入您的密码！");
		document.UserLogin.Password.focus();
		return false;
	}
}

var str="<form name='UserLogin' method='post' action='/CheckUserLogin.asp' onsubmit='return chkyou()' style='margin:0px;padding:0px;height:25px;'>用户名：<input name='UserName' type='text' size='6' class='textfield1'>&nbsp;密码：<input name='Password' type='password' size='6' class='textfield1'>&nbsp;<input type='checkbox' name='RememberMe' value='30'>记住我&nbsp;<input type='submit' name='Submit5' value='登录' class='button1'></form>";
document.write(str);