// JavaScript Document
function validEmail(email)
{
   invalidChars = " /:,;";

   if (email == "")
      return false;

   for (i=0; i<invalidChars.length; i++)
   {
      badChar = invalidChars.charAt(i);

      if (email.indexOf(badChar,0)>-1)
         return false;
   }

   atPos = email.indexOf("@",1);

   if (atPos == -1)
      return false;

   if (email.indexOf("@",atPos+1) != -1)
      return false;

   periodPos = email.indexOf(".",atPos);

   if (periodPos == -1)
      return false;

   if (periodPos+3 > email.length)
      return false;

   return true;
}

function validUsername(username)
{
   invalidChars = "/:,;='@ ";

   if (username == "")
      return false;

   for (i=0; i<invalidChars.length; i++)
   {
      badChar = invalidChars.charAt(i);

      if (username.indexOf(badChar,0)>-1)
         return false;
   }

   return true;
}

function submitIt(chkForm)
{

   if (chkForm.title[chkForm.title.selectedIndex].value == "")
   {
      alert("You must select your title.");
      return false;
   }

   if (chkForm.fname.value == "")
   {
      alert("You must enter your first name.");
      return false;
   }

   if (chkForm.lname.value == "")
   {
      alert("You must enter your last name.");
      return false;
   }

   if (chkForm.u_street1.value == "")
   {
      alert("You must enter street address 1.");
      return false;
   }

   if (chkForm.u_suburb.value == "")
   {
      alert("You must enter suburb.");
      return false;
   }

   if (chkForm.u_state[chkForm.u_state.selectedIndex].value == "")
   {
      alert("You must select state.");
      return false;
   }

   if (chkForm.u_postcode.value == "")
   {
      alert("You must enter postcode.");
      return false;
   }

   if (!validEmail(chkForm.email.value))
   {
      alert("Invalid email address. Please enter your email address again.");
      return false;
   }

   if (chkForm.username.value == "")
   {
      alert("You must enter your username.");
      return false;
   }

   if (!validUsername(chkForm.username.value))
   {
      alert("Invalid username. Please enter your username again.");
      return false;
   }

   if (chkForm.password.value == "")
   {
      alert("You must enter your password.");
      return false;
   }

   if (chkForm.d_street1.value == "")
   {
      alert("You must enter delivery street address 1.");
      return false;
   }

   if (chkForm.d_suburb.value == "")
   {
      alert("You must enter delivery suburb.");
      return false;
   }

   if (chkForm.d_state[chkForm.u_state.selectedIndex].value == "")
   {
      alert("You must select delivery state.");
      return false;
   }

   if (chkForm.d_postcode.value == "")
   {
      alert("You must enter delivery postcode.");
      return false;
   }

   if (chkForm.term.checked == false)
   {
      alert("You must read and accept the Terms and Agreement before proceeding.");
      return false;
   }

   return true;
}