function validEmail(email) {
	invalidChars = " /:,;"
	if (email == "") {
		return false
	}
	for (i=0; i<invalidChars.length; i++) {
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) {
			return false
		}
	}
	atPos = email.indexOf("@",1)
	if (atPos == -1) {
		return false
	}
	if (email.indexOf("@",atPos+1) != -1) {
		return false
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {
		return false
	}
	if (periodPos+3 > email.length)	{
		return false
	}
	return true
}
function validForm(reg) {
	if (reg.First.value == "") {
		alert("Please enter your First Name.")
		reg.First.focus()
		return false
	}
	if (reg.Last.value == "") {
		alert("Please enter your Last Name.")
		reg.Last.focus()
		return false
	}
	if (reg.Title.value == "") {
		alert("Please enter your job title.")
		reg.Title.focus()
		return false
	}
	CompanyChoice = reg.Company.selectedIndex
	if (reg.Company.options[CompanyChoice].value == "") {
		alert("Please select your company.")
		reg.Company.focus()
		return false
	}
	if (reg.MyTextbox.value == "") {
		alert("Please enter your company.")
		reg.MyTextbox.focus()
		return false
	}
	if (reg.Address1.value == "") {
		alert("Please enter your street address.")
		reg.Address1.focus()
		return false
	}
	if (reg.City.value == "") {
		alert("Please enter your city.")
		reg.City.focus()
		return false
	}
	StateChoice = reg.State.selectedIndex
	if (reg.State.options[StateChoice].value == "") {
		alert("Please select your state.")
		reg.State.focus()
		return false
	}
	if (reg.Zip.value == "") {
		alert("Please enter your Zip/Postal code.")
		reg.Zip.focus()
		return false
	}
	if (reg.Country.value == "") {
		alert("Please enter your Country.")
		reg.Country.focus()
		return false
	}
	if (reg.Phone.value == "") {
		alert("Please enter your phone number")
		reg.Phone.focus()
		return false
	}
	if (!validEmail(reg.Email.value)) {
		alert("Please enter a valid email address (like name@domain.com).")
		reg.Email.focus()
		reg.Email.select()
		return false
	}
	return true
}

function enableOther() {
    var MyDiv  = document.getElementById('MyDiv');
    if (document.reg.Company.value == '[OTHER]') {
        MyDiv.style.visibility = 'visible';
        MyDiv.style.display = 'block';
        document.reg.MyTextbox.value = '';
    } else {
        MyDiv.style.visibility = 'hidden';
        MyDiv.style.display = 'none';
        document.reg.MyTextbox.value = document.reg.Company.value;
    }
	var MyDiv2  = document.getElementById('MyDiv2');
    if (document.reg.Company.value == '[OTHER]') {
        MyDiv2.style.visibility = 'visible';
        MyDiv2.style.display = 'block';
        document.reg.MyTextbox.value = '';
    } else {
        MyDiv2.style.visibility = 'hidden';
        MyDiv2.style.display = 'none';
    }
}