// JavaScript Document

function isNum(passedVal) {
	if (passedVal == "") {
		return false }
	for (i=0; i<passedVal.length; i++) {
		if (passedVal.charAt(i) < "0") {
			return false }
		if (passedVal.charAt(i) > "9") {
			return false }
	}
	return true
}


function validZip(inzip) {
	if (isNum(inzip)) {
		return true }
return false
}
	
function validEmail(inEmail) {
	invalidChars = "/:,;"
	if (inEmail == "") {
		return false; }
	for (i=0; i<invalidChars.length; i++) {
		badChar = invalidChars.charAt(i)
		if (inEmail.indexOf(badChar,0) > -1) {
			return false; }
		}
		atPos = inEmail.indexOf("@",1)
		if (atPos == -1) {
			return false; }
		if (inEmail.indexOf("@",atPos+1) > -1) {
			return false; }
		periodPos = inEmail.indexOf(".",atPos)
		if (periodPos == -1) {
			return false; }
		if (periodPos+3 > inEmail.length) {
			return false; }
		else {
			return true; }
}
	
//Form validation Check Main Registration  START

function validForm(contactme) {
	var d = contactme;
	
	if (d.Name.value == "") {
		alert("You must enter your name")
		d.Name.focus()
		return false; }
	
	if (d.Email.value == "") {
		alert("You must enter an email address")
		d.Email.focus()
		return false; }
		
	if (!validEmail(d.Email.value)) {
		alert("You must enter a valid email address")
		d.Email.focus()
		return false; }
		
	if (d.userdigit.value == "") {
		alert("You must enter the value of the graphic")
		d.userdigit.focus()
		return false; }

	else {
		return true; }
}