// JavaScript Document

function validate(){
var str=document.contact.email.value
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)

if (document.contact.name.value == "" || document.contact.enquiry.value == ""){
alert("Please complete all required fields!");
return false;
}
else if (document.contact.email.value == "" && document.contact.telephone.value == ""){
alert("Please include either an email address or telephone number!");
return false;
}
else if (str != ""){
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Please enter a valid email address!")
return false
}
else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Please enter a valid email address!")
return false
}
else if (str.indexOf(dot,(lat+2))==-1){
alert("Please enter a valid email address!")
return false
}
else if (str.indexOf(" ")!=-1){
alert("Please enter a valid email address!")
return false
}
}
else
{
return true;
}
}

function validate_mailing(){
var str=document.contact.email.value
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)

if (document.contact.name.value == "" || document.contact.email.value == ""){
alert("Please complete all required fields!");
return false;
}
else if (str != ""){
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Please enter a valid email address!")
return false
}
else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Please enter a valid email address!")
return false
}
else if (str.indexOf(dot,(lat+2))==-1){
alert("Please enter a valid email address!")
return false
}
else if (str.indexOf(" ")!=-1){
alert("Please enter a valid email address!")
return false
}
}
else
{
return true;
}
}

function validate_leave_mailing(){
var str=document.contact.email.value
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)

if (document.contact.email.value == ""){
alert("Please enter a valid email address!")
return false;
}
else if (str != ""){
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Please enter a valid email address!")
return false
}
else if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Please enter a valid email address!")
return false
}
else if (str.indexOf(dot,(lat+2))==-1){
alert("Please enter a valid email address!")
return false
}
else if (str.indexOf(" ")!=-1){
alert("Please enter a valid email address!")
return false
}
}
else
{
return true;
}
}