function Valid_Login()
	{
	var form = document.Sign_In_Form;

	if(document.Sign_In_Form.Username_In.value == "") 
		{
		var New_Username_In = prompt("It appears that not all required information has been completed.\n\nPlease provide your user name.", "");
		if(New_Username_In == null) 
			{
			document.Sign_In_Form.Username_In.focus();
			return false;
			}
		if(New_Username_In == "") 
			{
			document.Sign_In_Form.Username_In.focus();
			return false;
			} 
		else 
			{
			document.Sign_In_Form.Username_In.value = New_Username_In;
			}
		}
	if(document.Sign_In_Form.Password_In.value == "") 
		{
		var New_Password_In = prompt("It appears that not all required information has been completed.\n\nPlease provide your password.", "");
		if(New_Password_In == null) 
			{
			document.Sign_In_Form.Password_In.focus();
			return false;
			}
		if(New_Password_In == "") 
			{
			document.Sign_In_Form.Password_In.focus();
			return false;
			} 
		else 
			{
			document.Sign_In_Form.Password_In.value = New_Password_In;
			}
		}
 
	}