function validateForm(contact)
{

if(document.rform.last_name.value=="")
{
alert("Please enter your last name.");
return false;
}

if(document.rform.first_name.value=="")
{
alert("Please enter your first name.");
return false;
}

if(document.rform.tel_no.value=="")
{
alert("Please enter your telephone number.");
return false;
}

if(document.rform.email.value=="")
{
alert("Please enter your email.");
return false;
}

if(document.rform.address.value=="")
{
alert("Please enter your address.");
return false;
}

if(document.rform.room.value=="")
{
alert("Please enter your room type.");
return false;
}

if(document.rform.check_in_date.value=="")
{
alert("Please enter your check in date.");
return false;
}

if(document.rform.check_out_date.value=="")
{
alert("Please enter your check out date.");
return false;
}

if(document.rform.occupants_adult.value=="")
{
alert("Please enter number of adults.");
return false;
}

if(document.rform.occupants_children.value=="")
{
alert("Please enter number of children.");
return false;
}

if(document.rform.arrival_vessel_name.value=="")
{
alert("Please enter your arrival vessel/flight name.");
return false;
}

if(document.rform.arrival_date.value=="")
{
alert("Please enter arrival date.");
return false;
}

if(document.rform.departure_vessel_name.value=="")
{
alert("Please enter your departure vessel/flight name.");
return false;
}

if(document.rform.departure_date.value=="")
{
alert("Please enter departure date.");
return false;
}

if(document.rform.verif_box.value=="")
{
alert("Please enter verification code.");
return false;
}

}