/*
	JavaScript functions for checking Muscle&Strength.com forms
*/

// newsletter signup form
function newsletter_validator(theForm) {

	// check to see if the name is blank
	if (theForm.newsletter_name.value == "")
	{
	alert("Please enter your NAME");
	theForm.newsletter_name.focus();
	return (false);
	}
	
	// check to see if the url is blank
	if (theForm.newsletter_email.value == "")
	{
	alert("Please enter your EMAIL ADDRESS");
	theForm.newsletter_email.focus();
	return (false);
	}
	
	// test if valid email address, must have @ and .
	var checkEmail = "@.";
	var checkStr = theForm.newsletter_email.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("Please enter a VALID email address");
	theForm.newsletter_email.focus();
	return (false);
	}
	
}