ÿþfunction validate_form(form_name)

{

    var alert_text = "";

    if (form_name == "Bestalla tidning") 

    {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Ange vilket nummer du vill beställa\n";

        }

        else {

            if (document.book_a_copy.issue[1].checked) {

                if (document.book_a_copy.issue_date.value) {

                }

                else {

                    alert_text = "Fyll i vilket nummer du önskar beställa\n";

                }

            }

        }

    }

    if (form_name == "Sandaren i ett kvartal") {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Fyll i vem som ska ha prenumerationen\n";

        }

        

    }

    if (form_name == "Ny prenumeration i Sverige") {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Fyll i vem som ska ha prenumerationen\n";

        }

        if ((!document.book_a_copy.payment_option[0].checked) && (!document.book_a_copy.payment_option[1].checked) && (!document.book_a_copy.payment_option[2].checked) && (!document.book_a_copy.payment_option[3].checked)) {

            alert_text = alert_text + "Fyll i vilken period prenumerationen ska gälla för\n";

        }



    }

    if (form_name == "Ny prenumeration i Utlandet") {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Fyll i vem som ska ha prenumerationen\n";

        }

        if ((!document.book_a_copy.payment_option[0].checked) && (!document.book_a_copy.payment_option[1].checked) && (!document.book_a_copy.payment_option[2].checked) && (!document.book_a_copy.payment_option[3].checked) && (!document.book_a_copy.payment_option[4].checked) && (!document.book_a_copy.payment_option[5].checked)) {

            alert_text = alert_text + "Fyll i vilken period prenumerationen ska gälla för\n";

        }



    }

    if (form_name == "Ny prenumeration Taltidning") {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Fyll i vem som ska ha prenumerationen\n";

        }

        if ((!document.book_a_copy.payment_option[0].checked) && (!document.book_a_copy.payment_option[1].checked) && (!document.book_a_copy.payment_option[2].checked) && (!document.book_a_copy.payment_option[3].checked)) {

            alert_text = alert_text + "Fyll i vilken period prenumerationen ska gälla för\n";

        }



    }

    if (form_name == "Studentprenumeration") {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Fyll i vem som ska ha prenumerationen\n";

        }

        if ((!document.book_a_copy.payment_option[0].checked) && (!document.book_a_copy.payment_option[1].checked)) {

            alert_text = alert_text + "Fyll i vilken period prenumerationen ska gälla för\n";

        }



    }

    if (form_name == "Sandaren pa webben") {

        if ((!document.book_a_copy.issue[0].checked) && (!document.book_a_copy.issue[1].checked)) {

            alert_text = "Fyll i vem som ska ha prenumerationen\n";

        }

        if ((!document.book_a_copy.payment_option[0].checked) && (!document.book_a_copy.payment_option[1].checked)) {

            alert_text = alert_text + "Fyll i vilken period prenumerationen ska gälla för\n";

        }



    }

    if (form_name == "Utebliven tidning") {

        if (!document.book_a_copy.prenu_number.value) {

            alert_text = "Fyll i prenumerationsnummer\n";

        }

        if (!document.book_a_copy.vilka_number.value) {

            alert_text = alert_text + "Fyll i nummer du saknar\n";

        }



    }

    if (form_name == "Tillfallig adressandring") {

        if (!document.book_a_copy.prenu_number.value) {

            alert_text = "Fyll i prenumerationsnummer\n";

        }

        if (!document.book_a_copy.from_date.value) {

            alert_text = alert_text + "Fyll i från datum\n";

        }

        if (!document.book_a_copy.to_date.value) {

            alert_text = alert_text + "Fyll i till datum\n";

        }



    }

    if (form_name == "Permanent adress") {

        if (!document.book_a_copy.prenu_number.value) {

            alert_text = "Fyll i prenumerationsnummer\n";

        }

        if (!document.book_a_copy.from_date.value) {

            alert_text = alert_text + "Fyll i nummer du saknar\n";

        }



    }               

   if(!document.book_a_copy.first_name.value)

         {

               alert_text = alert_text + "Fyll i förnamn\n"; 

         }

   if(!document.book_a_copy.last_name.value)

         {

               alert_text = alert_text + "Fyll i efternamn\n"; 

         }

   if(!document.book_a_copy.address.value)

         {

               alert_text = alert_text + "Fyll i address\n";

         }

   if(!document.book_a_copy.post_code.value)

         {

               alert_text = alert_text + "Fyll i postnr\n";

         }

   if(!document.book_a_copy.city.value)

         {

               alert_text = alert_text + "Fyll i ort\n";

          }

   if(!document.book_a_copy.tele_phone.value)

          {

                alert_text = alert_text + "Fyll i telefon\n";    

          }

   if (!document.book_a_copy.email.value) 

          {

              alert_text = alert_text + "Fyll i e-post\n";

          }

 if(document.getElementById('verify') &&!document.book_a_copy.verify.value)

         	{

              	 alert_text = alert_text + "Du måste ange tecken för bilden\n"; 

         	}



   else  {

              var objRegExp = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;

              if (!objRegExp.test(document.book_a_copy.email.value)) {

                  alert_text = alert_text + "Ange korrekt e-post\n";

              }  

          }

          if ((form_name == "Sandaren i ett kvartal") || (form_name == "Ny prenumeration i Sverige") || (form_name == "Ny prenumeration Taltidning") || (form_name == "Sandaren pa webben") || (form_name == "Ny prenumeration i Utlandet") || (form_name == "Studentprenumeration")) {

              if (document.book_a_copy.issue[1].checked) {

                  if (!document.book_a_copy.first_name_1.value) {

                      alert_text = alert_text + "Fyll i förnamn för fakturamottagare\n";

                  }

                  if (!document.book_a_copy.last_name_1.value) {

                      alert_text = alert_text + "Fyll i efternamn för fakturamottagare\n";

                  }

                  if (!document.book_a_copy.address_1.value) {

                      alert_text = alert_text + "Fyll i address för fakturamottagare\n";

                  }

                  if (!document.book_a_copy.post_code_1.value) {

                      alert_text = alert_text + "Fyll i postnr för fakturamottagare\n";

                  }

                  if (!document.book_a_copy.city_1.value) {

                      alert_text = alert_text + "Fyll i ort för fakturamottagare\n";

                  }

                  if (!document.book_a_copy.tele_phone_1.value) {

                      alert_text = alert_text + "Fyll i telefon för fakturamottagare\n";

                  }

                  if (!document.book_a_copy.email_1.value) {

                      alert_text = alert_text + "Fyll i e-post för fakturamottagare\n";

                  }

                  else {

                      var objRegExp = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;

                      if (!objRegExp.test(document.book_a_copy.email_1.value)) {

                          alert_text = alert_text + "Ange korrekt e-post för fakturamottagare\n";

                      }

                  }



              }

          }          

   if(alert_text)

          {



              

                alert(alert_text);

                return false;

          }

   else

          {

                return true;

            }

}



function disable_fields() {

    document.getElementById('gray_out_heading').style.color = "#d6d6d6";

    document.getElementById('gray_out_name').style.color = "#d6d6d6";

    document.getElementById('gray_out_lname').style.color = "#d6d6d6";

    document.getElementById('gray_out_careoff').style.color = "#d6d6d6";

    document.getElementById('gray_out_address').style.color = "#d6d6d6";

    document.getElementById('gray_out_post').style.color = "#d6d6d6";

    document.getElementById('gray_out_ort').style.color = "#d6d6d6";

    document.getElementById('gray_out_tele').style.color = "#d6d6d6";

    document.getElementById('gray_out_mobile').style.color = "#d6d6d6";

    document.getElementById('gray_out_epost').style.color = "#d6d6d6";

    document.getElementById('gray_out_land').style.color = "#d6d6d6";

    document.book_a_copy.first_name_1.disabled = true;

    document.book_a_copy.last_name_1.disabled = true;

    document.book_a_copy.care_off_1.disabled = true;

    document.book_a_copy.address_1.disabled = true;

    document.book_a_copy.post_code_1.disabled = true;

    document.book_a_copy.city_1.disabled = true;

    document.book_a_copy.tele_phone_1.disabled = true;

    document.book_a_copy.mobile_no_1.disabled = true;

    document.book_a_copy.email_1.disabled = true;

    document.book_a_copy.land_1.disabled = true;

}

function enable_fields() {

    document.getElementById('gray_out_heading').style.color = "#555555";

    document.getElementById('gray_out_name').style.color = "#555555";

    document.getElementById('gray_out_lname').style.color = "#555555";

    document.getElementById('gray_out_careoff').style.color = "#555555";

    document.getElementById('gray_out_address').style.color = "#555555";

    document.getElementById('gray_out_post').style.color = "#555555";

    document.getElementById('gray_out_ort').style.color = "#555555";

    document.getElementById('gray_out_tele').style.color = "#555555";

    document.getElementById('gray_out_mobile').style.color = "#555555";

    document.getElementById('gray_out_epost').style.color = "#555555";

    document.getElementById('gray_out_land').style.color = "#555555";

    document.book_a_copy.first_name_1.disabled = false;

    document.book_a_copy.last_name_1.disabled = false;

    document.book_a_copy.care_off_1.disabled = false;

    document.book_a_copy.address_1.disabled = false;

    document.book_a_copy.post_code_1.disabled = false;

    document.book_a_copy.city_1.disabled = false;

    document.book_a_copy.tele_phone_1.disabled = false;

    document.book_a_copy.mobile_no_1.disabled = false;

    document.book_a_copy.email_1.disabled = false;

    document.book_a_copy.land_1.disabled = false;

}

function check_input(input_value) {



    if ((input_value > 5) || (input_value < 1)) {

        if (input_value > 5) {

            document.getElementById("book_qty").value = "5";

        }

        if (input_value < 1) {

            document.getElementById("book_qty").value = "1";

        }

        

    }

    /*This code is to allow only the numebrs to be entered*/

    var charCode = (input_value.which) ? input_value.which : event.keyCode;

    if (charCode > 31 && (charCode < 48 || charCode > 57)) {

        document.getElementById("book_qty").value = "1";

    }





}