function checkAgeCookie(underage_file) {
	underage = document.cookie;

	if (underage.indexOf('EmailAge') > -1) {
		window.location = underage_file;
	}
}


function setAgeCookie() {
	today = new Date();
	tomorrow = new Date();
	tomorrow.setTime(today.getTime()+(60*60*24*1000));
	document.cookie='EmailAge=true; path=/; expires=' + tomorrow.toGMTString();
}

function under13(form) {
	var now = new Date();
	var thisMonth = now.getMonth() + 1;
	var thisDay = now.getDate();
	var thisYear = now.getFullYear();
	var birthMonth = form.birth_month.value;
	var birthDay = form.birth_date.value;
	var birthYear = form.birth_year.value;
	var user_age = thisYear - birthYear;
	var minimum_year = 13;

	if (user_age < minimum_year) {
		return true;
	}
	if (user_age > minimum_year) {
		return false;
	}
	if (thisMonth < birthMonth) {
		return true;
	}
	if (thisMonth > birthMonth) {
		return false;
	}
	if (thisDay < birthDay) {
		return true;
	}
	return false;
}


function isBlank(s) {
	for( var i=0;i<s.length;i++ ) {
		var c = s.charAt(i);
		if( (c != ' ') && (c != '\n') && (c != '\t') )
			return false;
	}
	return true;
}



/* I got this function from "http://javascript.internet.com/forms/check-email.html".  I 
   took the comments out to conserve space.  You can look at the comments from the example
   at the URL above.  This basically checks ALL standard W3C email address formats.
*/
function checkEmailAddress( emailStr ) {

	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

	var matchArray=emailStr.match(emailPat)

	if (matchArray==null) {
		return false
	}

	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
	    return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
		    if (IPArray[i]>255) {
			return false
		    }
	    }
	    return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
	    return false
	}


	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
	    domArr[domArr.length-1].length>3) {
	   return false
	}

	// Make sure there's a host name preceding the domain.
	if (len<2) {
	   return false
	}

	return true;
}



function set_title(form)
{
	if(form.sf_gender.options[form.sf_gender.options.selectedIndex].value == "M")
	{
		form.sf_title.value = "Mr.";
	}
	else
	{
		form.sf_title.value = "Ms.";
	}
}


function check_contactus(form){
	//First check the user's age and redirect if they are under 13.
	if (form.sf_age.options[form.sf_age.options.selectedIndex].value == "under13") {
		setAgeCookie();
		window.location = "/app/ColgateSensitiveNew/US/ContactUs/U13.cvsp";
		return false;
	}

	if ( isBlank(form.sf_first_nme.value) ) {
		window.alert("Please enter your first name.");
		form.sf_first_nme.focus();
		return false;
	}
	if ( isBlank(form.sf_last_nme.value) ) {
		window.alert("Please enter your last name.");
		form.sf_last_nme.focus();
		return false;
	}
	if ( isBlank(form.sf_city.value) ) {
		window.alert("Please enter your city.");
		form.sf_city.focus();
		return false;
	}
	if (form.sf_state_cd.options[form.sf_state_cd.options.selectedIndex].value == "-1") {
		window.alert("Please choose your state.");
		form.sf_state_cd.focus();
		return false;
	}
	if (form.sf_age.options[form.sf_age.options.selectedIndex].value == "none") {
		window.alert("Please choose your age.");
		form.sf_age.focus();
		return false;
	}
	if ( isBlank(form.sf_email_addr.value) ) {
		alert("Please enter your email address.");
		form.sf_email_addr.focus();
		return false;
	}
	if ( isBlank(form.email_addr_confirm.value) ) {
		alert("Please verify your email address.");
		form.email_addr_confirm.focus();
		return false;
	}
	if ( form.sf_email_addr.value != form.email_addr_confirm.value ) {
		alert("Your email address does not match. Please verify your email.");
		form.sf_email_addr.focus();
		return false;
	}
	if ( !checkEmailAddress(form.sf_email_addr.value) ) {
		form.email_addr_confirm.value = "";
		window.alert("Please enter a valid email address.");
		form.sf_email_addr.focus();
		return false;
	}
	if ( isBlank(form.cf_comment.value) ) {
		window.alert("Please enter a comment.");
		form.cf_comment.focus();
		return false;
	}

	set_title(form);

	return true;
}


function check_newsletter(form) {

	//First check the user's age and redirect if they are under 13.
	if (form.sf_age.options[form.sf_age.options.selectedIndex].value == "under13") {
		setAgeCookie();
		window.location = "13.html";
		return false;
	}

	if ( isBlank(form.sf_first_nme.value) ) {
		window.alert("Please enter your first name.");
		form.sf_first_nme.focus();
		return false;
	}
	if ( isBlank(form.sf_last_nme.value) ) {
		window.alert("Please enter your last name.");
		form.sf_last_nme.focus();
		return false;
	}
	if ( isBlank(form.sf_email_addr.value) ) {
		alert("Please enter your email address.");
		form.sf_email_addr.focus();
		return false;
	}
	if ( isBlank(form.email_addr_confirm.value) ) {
		alert("Please verify your email address.");
		form.email_addr_confirm.focus();
		return false;
	}
	if ( form.sf_email_addr.value != form.email_addr_confirm.value ) {
		alert("Your email address does not match. Please verify your email.");
		form.sf_email_addr.focus();
		return false;
	}
	if ( !checkEmailAddress(form.sf_email_addr.value) ) {
		form.email_addr_confirm.value = "";
		window.alert("Please enter a valid email address.");
		form.sf_email_addr.focus();
		return false;
	}
	if ( isBlank(form.sf_postal_cd.value) ) {
		window.alert("Please enter a zip.");
		form.sf_postal_cd.focus();
		return false;
	}
	if (form.sf_age.options[form.sf_age.options.selectedIndex].value == "none") {
		window.alert("Please choose your age.");
		form.sf_age.focus();
		return false;
	}

	set_title(form);

	return true;
}

function unChecked(s)
{
	var isSelected = false;
	for (var i = 0; i < s.length; i++)
	{
		if (s[i].checked)
		{
			isSelected = true;
		}
	}
	if(isSelected)
	{
		return true;
	}
	return false;
}

function check_coupon(form) {

	//First check the user's age and redirect if they are under 13.
	if (form.sf_age.options[form.sf_age.options.selectedIndex].value == "under13") {
		setAgeCookie();
		window.location = "coupon_13.html";
		return false;
	}
   if(form.optin.checked) {
        form.sf_optx.value = "Y";
    } else {
        form.sf_optx.value = "N";
    }
	if ( isBlank(form.sf_first_nme.value) ) {
		window.alert("Please enter your first name.");
		form.sf_first_nme.focus();
		return false;
	}
	else if ( isBlank(form.sf_last_nme.value) ) {
		window.alert("Please enter your last name.");
		form.sf_last_nme.focus();
		return false;
	}
	else if ( isBlank(form.sf_email_addr.value) ) {
		alert("Please enter your email address.");
		form.sf_email_addr.focus();
		return false;
	}
	else if ( !checkEmailAddress(form.sf_email_addr.value) ) {
		window.alert("Please enter a valid email address.");
		form.sf_email_addr.focus();
		return false;
	}
	else if (form.sf_age.options[form.sf_age.options.selectedIndex].value == "#") {
		window.alert("Please choose your age.");
		form.sf_age.focus();
		return false;
	}
}