$(function() {

    var email = $("#email"),
    password = $("#password"),
    allFields = $([]).add(name).add(email).add(password),
    tips = $("#validateTips");

    function updateTips(t) {
        tips.text(t).effect("highlight",{},1500);
    }

    function checkLength(o,n,min,max) {

        if ( o.val().length > max || o.val().length < min ) {
            o.addClass('ui-state-error');
            updateTips("Length of " + n + " must be between "+min+" and "+max+".");
            return false;
        } else {
            return true;
        }

    }

    function checkRegexp(o,regexp,n) {

        if ( !( regexp.test( o.val() ) ) ) {
            o.addClass('ui-state-error');
            updateTips(n);
            return false;
        } else {
            return true;
        }

    }

    $("#dialog").dialog({
        bgiframe: true,
        autoOpen: false,
        height: 'auto',
        width: 'auto',
        modal: true,
        buttons: {
            'Login': function() {
                var bValid = true;
                allFields.removeClass('ui-state-error');

                bValid = bValid && checkLength(email,"email",6,80);
                bValid = bValid && checkLength(password,"password",8,20);

                bValid = bValid && checkRegexp(email,/^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i,"eg. john@corpscan.org");
                //bValid = bValid && checkRegexp(email,/^([0-9a-zA-Z])+$/,"CIN field only allow : a-z 0-9");
                bValid = bValid && checkRegexp(password,/^([0-9a-zA-Z@_.])+$/,"Password field only allow : a-z 0-9");

                if (bValid) {
                    //alert(maincat);
                    $.post("login.php", {
                        'email':email.val(),
                        'password':password.val()
                        }, function(data) {
                        if(data == 'login'){
                            window.location.href = './regn/addCat.php?id='+maincat;
                        }else{
                            alert(data);
                        }
                    });
                    $(this).dialog('close');
                }
            },
            Cancel: function() {
                $(this).dialog('close');
            },
            'Register': function() {
                window.location = "./regn/registration.php";
                $(this).dialog('close');
            }
        },
        close: function() {
            allFields.val('').removeClass('ui-state-error');
        }
    });
});