function validate_form() {

var messagebeg = "Please enter the following REQUIRED FIELDS \non the Form before submitting:\n\n";
var message1 = "\tContact Name\n";
var message2 = "\tValid Email Address\n";
var message3 = "\tContact Phone Number\n";
var messageend = "\n\tto assit Dial-a-Depth \nin respondig to your inquiry or submssion. ";
var messageall = "";
var err = 0;
var msg1 = 0;
var msg2 = 0;
var msg3 = 0;

  validity = true; // assume valid
  if (!check_name(document.contform.Contact_Name.value))
        { validity = false;  msg1 = 1; err = 1; }
  if (!check_email(document.contform.Email_Address.value))
        { validity = false; msg2 = 1; err = 1; }
  if (!check_phone(document.contform.Daytime_Phone_No.value))
        { validity = false;  msg3 = 1; err = 1; }
  if (validity)
        {if (confirm ('You have selected to submit your form.  \n\nIf you want to submit it - press OK.  \nIf you want to continue completing your form - press Cancel')) 
           {return true} else {return false}};

  if (err == 1)
     {
       messageall = messageall + messagebeg;
       if (msg1 == 1)
           {
       messageall = messageall + message1;
           }
       if (msg2 == 1)
           {
       messageall = messageall + message2;
           }
       if (msg3 == 1)
           {
       messageall = messageall + message3;
           }
       messageall = messageall + messageend;
       alert (messageall);
     }

  return validity;
}





function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
           {
      return false;
           }
  return true;
}


function check_name(name2) {
  if (name2 == "")
           {
      return false;
           }
  return true;
}

function check_phone(phone) {
  if (phone == "")
           {
      return false;
           }
  return true;
}