jQuery(document).ready(function() {
                var username = jQuery('#username');
                var email = jQuery('#email');
                var ubox = jQuery('#usernamemsg');
                var ebox = jQuery('#emailmessage');
                jQuery(username).blur(function(){
                    jQuery.ajax({
                        url: "index.php?option=com_p4a&format=raw&task=checkusername&username="+jQuery(username).val(),
                        type: "post",
                        dataType: 'json',
                        // callback handler that will be called on success
                        success: function(res){
                            if(res.msg == "false") {
                                //submit
                                jQuery('input[type="submit"]').attr('disabled','disabled');
                                //jQuery(".button").attr("disabled","disabled");
                            } else {
                                jQuery('input[type="submit"]').removeAttr("disabled");
                            }

                            jQuery(ubox).html(res.html);
                        }
                    });
                });
                jQuery(email).blur(function(){
                    jQuery.ajax({
                        url: "index.php?option=com_p4a&format=raw&task=checkemail&email="+jQuery(email).val(),
                        type: "post",
                        dataType: 'json',
                        // callback handler that will be called on success
                        success: function(res){

                            if(res.msg == "false") {
                                jQuery('input[type="submit"]').attr('disabled','disabled');
                            } else {
                                jQuery('input[type="submit"]').removeAttr("disabled");
                            }
                            jQuery(ebox).html(res.html);
                        }
                    });
                });
            });
            function validateform( f )
            {
                error = '';

                if (f.username.value.length == 0)
                {
                    error += "* You must enter a username.\n";
                }

                if (f.firstname.value.length == 0 || f.lastname.value.length == 0)
                {
                    error += "* Your name is required.\n";
                }
                if (f.address.value.length == 0 || f.city.value.length == 0 || (f.country.value == 'US' && f.state.value.length == 0) || f.postalcode.value.length == 0)
                {
                    error += "* Your complete address is required.\n";
                }
                if (f.email.value.length == 0)
                {
                    error += "* Your e.mail address is required.\n";
                }
                else
                {
                    if (! emailCheck( f.email.value ))
                    {
                        error += "* Your e.mail address is not valid.\n";
                    }
                }
                if (f.email.value != f.email2.value)
                {
                    error += "* Your e.mail address and confirmation e.mail address do not match.\n";
                }
                if (f.password.value.length == 0)
                {
                    error += "* You must enter a password.\n";
                }
                if (f.password.value != f.password2.value)
                {
                    error += "* Your password and confirm password do not match.\n";
                }
                if (f.usertype.selectedIndex == 0)
                {
                    error += "* Please choose a category.\n";
                }
                if (f.legal.checked==false)
                {
                    error += "* You must agree to the legal terms.\n";
                }
                if (!(f.access[1].checked || f.access[2].checked || f.access[3].checked))
                {
                    error += "* Sorry, you must choose a subscription type.\n";
                }
                if (f.access[1].checked && f.auto_renew.checked)
                {
                    error += "* Sorry, you may not auto-renew a 24-hour subscription.\n";
                    f.auto_renew.checked = false;
                }
                if (f.access[2].checked && f.auto_renew.checked)
                {
                    error += "* Sorry, you may not auto-renew a 15-day subscription.\n";
                    f.auto_renew.checked = false;
                }
                if (error.length > 0)
                {
                    alert(error);
                    return false;
                }
                else
                {
                    // If there is a special offer code, we need to submit to
                    // a validation page. Otherwise, just submit normally
                    // (as per IM from jcastle on 7/14/2009)
                    // alert('Submit: specoffercode=' + f.specoffercode.value);
                    if (f.specoffercode.value != '')
                    {

                        f.action = "index.php?option=com_p4a&view=specialoffer";
                        //return false;
                    }
                    else
                    {
                        f.action = "index.php?option=com_p4a&task=save";
                        //f.action = "https://www.prices4antiques.com/secure/ccprocessse.asp";
                    }
                    //alert('Action=' + f.action);
                    return true;
                }

            }

            function emailCheck( email )
            {
                // prefunctory email sanity check. Make sure it *looks* ok.

                // Can't have any spaces
                if (email.indexOf(" ") >= 0 || email.indexOf("\t") >= 0)
                {
                    return 0;
                }

                // Can't have any square brackets either
                if (email.indexOf("[") >= 0 || email.indexOf("]") >= 0)
                {
                    return 0;
                }

                // Needs to have an @ in it, somewhere AFTER the first character.
                atpos = email.indexOf("@");
                if (atpos < 1)
                {
                    return 0;
                }

                // Should have a least one dot somewhere in the host part,
                // AFTER the first character.
                hostpart = email.substring(atpos+1,email.length);
                if (hostpart.indexOf(".") < 1)
                {
                    return 0;
                }

                return 1;
            }