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(webinar) {
	if (webinar.first.value == "") {
		alert("Please enter your first name.")
		webinar.first.focus()
		return false
	}
	if (webinar.last.value == "") {
		alert("Please enter your last name.")
		webinar.last.focus()
		return false
	}
	if (webinar.company.value == "") {
		alert("Please enter your company name.")
		webinar.company.focus()
		return false
	}
	if (webinar.phone.value == "") {
		alert("Please enter your phone number.")
		webinar.phone.focus()
		return false
	}
	if (!validEmail(webinar.email.value)) {
		alert("Please enter a valid e-mail address for your self (like name@domain.com).")
		webinar.email.focus()
		webinar.email.select()
		return false
	}
	if (webinar.webinar.value == "") {
		alert("Please enter a webinar.")
		webinar.webinar.focus()
		return false
	}
	if (webinar.date.value == "") {
		alert("Please enter date.")
		webinar.date.focus()
		return false
	}
	return true
}

function validFormC(contact) {
	if (contact.first.value == "") {
		alert("Please enter your first name.")
		contact.first.focus()
		return false
	}
	if (contact.last.value == "") {
		alert("Please enter your last name.")
		contact.last.focus()
		return false
	}
	if (contact.company.value == "") {
		alert("Please enter your company name.")
		contact.company.focus()
		return false
	}
	if (contact.phone.value == "") {
		alert("Please enter your phone number.")
		contact.phone.focus()
		return false
	}
	if (!validEmail(contact.email.value)) {
		alert("Please enter a valid e-mail address for your self (like name@domain.com).")
		contact.email.focus()
		contact.email.select()
		return false
	}
	if (contact.message.value == "") {
		alert("Please enter your message.")
		contact.message.focus()
		return false
	}

	return true
}