function validateOptIn()
{
	if (document.getElementById("fNameTxt").value == "")
	{
		alert("First name is required. Please try again.");
		document.getElementById("fNameTxt").focus();
		return false;
	}
	
	if (document.getElementById("lNameTxt").value == "")
	{
		alert("Last name is required. Please try again.");
		document.getElementById("lNameTxt").focus();
		return false;
	}
	
	if (document.getElementById("coTxt").value == "")
	{
		alert("Company name is required. Please try again.");
		document.getElementById("coTxt").focus();
		return false;
	}
	
	if (document.getElementById("emailTxt").value == "")
	{
		alert("E-mail is required. Please try again.");
		document.getElementById("emailTxt").focus();
		return false;
	}
	
	
	if (!checkEmail(document.getElementById("emailTxt").value))
	{
		alert("E-mail format is incorrect. Please try again.");
		document.getElementById("emailTxt").focus();
		return false;
	}
	
	return true;
}


function checkEmail(str)
{
	var regexp = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
	return regexp.test(str);
}