function ConcatenateFields(form)
{
form.title.value = form.first_name.value + ' ' + form.last_name.value;
form.author.value = form.first_name.value + ' ' + form.last_name.value;
}
function echeck(str)
{
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){
alert("Invalid Email Address.")
return false
}

if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
alert("Invalid Email Address.")
return false
}

if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
alert("Invalid Email Address.")
return false
}

if (str.indexOf(at,(lat+1))!=-1){
alert("Invalid Email Address.")
return false
}

if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
alert("Invalid Email Address.")
return false
}

if (str.indexOf(dot,(lat+2))==-1){
alert("Invalid Email Address.")
return false
}

if (str.indexOf(" ")!=-1){
alert("Invalid E-mail Address.")
return false
}

return true
}

function checkform ( form )
{

// ** START **

if(form.first_name.value == "") {
alert("Please enter your first name.");
return false;
}
if(form.last_name.value == "") {
alert("Please enter your last name.");
return false;
}
if(form.evening_phone.value == "") {
alert("Please enter your direct phone number.");
return false ;
}
if(form.day_phone.value == "") {
alert("Please enter your office phone number.");
return false ;
}
if(form.best_time_to_call.value == "") {
alert("Please enter the best time to call you.");
return false ;
}

var emailID=form.email;

if ((emailID.value==null)||(emailID.value=="")){
alert("Please enter your email address");
emailID.focus();
return false;
}
if (echeck(emailID.value)==false){
emailID.value="";
emailID.focus();
return false;
}
if(form.address.value == "") {
alert("Please enter your property street address.");
return false ;
}
if(form.city.value == "") {
alert("Please enter your city.");
return false ;
}
if(form.state.selectedIndex == 0) {
alert("Please select your state.");
return false ;
}
if(form.zip.value == "") {
alert("Please enter your zipcode.");
return false ;
}
// ** Custom Fields **
if(form.property_type.selectedIndex == 0) {
alert("Please select your property type.");
return false ;
}
if(form.square_footage.value == "") {
alert("Please enter your square footage.");
return false ;
}
if(form.bedrooms.selectedIndex == 0) {
alert("Please select your bedrooms option.");
return false ;
}
if(form.bathrooms.selectedIndex == 0) {
alert("Please select your bathrooms option.");
return false ;
}
if(form.property_giving_up_reason.selectedIndex == 0) {
alert("Please select your property giving up reason.");
return false ;
}
// ** END **
return true;
}