function Form1_Validator(theForm)
{

// check to see if the name field is blank
if (theForm.yourname.value == "")
{
alert("Please enter in your name.");
theForm.yourname.focus();
return (false);
}

// check if email field is blank
if (theForm.youremail.value == "")
{
alert("Please enter in your e-mail.");
theForm.youremail.focus();
return (false);
}


// test if valid email address, must have @ and .
var checkEmail = "@.";
var checkStr = theForm.youremail.value;
var EmailValid = false;
var EmailAt = false;
var EmailPeriod = false;
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkEmail.length;  j++)
{
if (ch == checkEmail.charAt(j) && ch == "@")
EmailAt = true;
if (ch == checkEmail.charAt(j) && ch == ".")
EmailPeriod = true;
	  if (EmailAt && EmailPeriod)
		break;
	  if (j == checkEmail.length)
		break;
	}
	// if both the @ and . were in the string
if (EmailAt && EmailPeriod)
{
		EmailValid = true
		break;
	}
}
if (!EmailValid)
{
alert("The \"email\" field must contain an \"@\" and a \".\".");
theForm.youremail.focus();
return (false);
}


// check if message field is blank
if (theForm.regarding.value == "")
{
alert("Please enter in a subject.");
theForm.regarding.focus();
return (false);
}

// check if message field is blank
if (theForm.usermessage.value == "")
{
alert("Please enter in a message.");
theForm.usermessage.focus();
return (false);
}

alertsay = "Thank you! Your e-mail has been sent."
alert(alertsay);
return (true);
}