// JavaScript Document
function Exists(userEntry)

{

	var aCharExists = 0;

	var entry = userEntry;



	if (entry)

	{

		for (var i = 0; i < entry.length; i++)

		{

			if (entry.charAt(i) != " ") aCharExists = 1;

		}

	}



	if (!aCharExists) return 0;

	return 1;

}



function checkUserAndPassword(form)

{

        var error = "";



	if (!(Exists(form.USER_NAME.value)))

                error += "Please enter user name.\n";

	if (!(Exists(form.PASSWORD.value)))

                error += "Please enter password.\n";

	if (error != "")

	{

		alert(error);

		return false;

	}

	else return true;

}