function validate(theForm)
{
	
	if (theForm.txtname.value == "")
	{
	alert("U dient uw Naam op te geven.");
	theForm.txtnaam.focus();
	return (false);
	}
	if (theForm.txtemail && (theForm.txtemail.value == ""))
	{
	alert("U dient uw E-mail op te geven.");
	theForm.txtrmail.focus();
	return (false);
	}
	    // test if valid email address, must have @ and .
		var checkEmail = "@.";
		var checkStr = theForm.txtrmail.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("Gelieve een geldig E-mail adres op te geven.");
		theForm.txtemail.focus();
		return (false);
		}
	else
	{
		return true;
		//form.action='/contacts';
		//form.submit();
	}
	
}