function input_focus(id)
{
        $("#l"+id).addClass('lcurrent');
}

function input_blur(id)
{
        $("#l"+id).removeClass('lcurrent');
}

function sendContact()
{
        // check for email
        var email = $("#email").val();
        var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
        if(!filter.test(email))
        {
                $("#email-error").slideDown(500);
                $("#email").focus();
                return false;
        }
        else
                $("#email-error").slideUp(500);

        // check for message
        var msg = $("#message").val();
        if(msg.length == 0)
        {
                $("#message-error").slideDown(500);
                $("#message").focus();
                return false;
        }
        else
                $("#message-error").slideUp(500);

        // check for captcha
        var captcha = $("#captcha").val();
        if(captcha != captcha_c)
        {
                $("#captcha-error").slideDown(500);
                $("#captcha").focus();
                return false;
        }
        else
                $("#captcha-error").slideUp(500);

        var data = $("#contact_form > form").serialize();

        $.ajax({
                type: "POST",
                url: "sendContact.php",
                data: data,
                cache: false,
                success: function(msg){
                }
        });

        $("#contact_form").fadeOut(1000, function() {
                $("#message_sent").slideDown(500);
        });


        return false;
}

var captcha_a = Math.ceil(Math.random() * 10);
var captcha_b = Math.ceil(Math.random() * 10);
var captcha_c = captcha_a + captcha_b;
function generate_captcha(id)
{
        var id = (id) ? id : 'lcaptcha';
        $("#"+id).html(captcha_a + " + " + captcha_b + " = ");
}

var jGalleryTimer = 0;
var jGalleryFirstStart = true;
var jGallery_action = false;
function jGallery(id, visible, timeInterval, transitionInterval)
{
        var visible = (visible) ? visible : 1;
        var timeInterval = (timeInterval) ? timeInterval : 5000;
        var transitionInterval = (transitionInterval) ? transitionInterval : 2000;
        var w = (w) ? w : $("."+id+"-gallery-div :first").width();
        var cnt = $("#gallery-"+id+"-holder > div").size();

        if(jGalleryTimer)
        {
                clearInterval(jGalleryTimer);
                jGalleryTimer = 0;
        }

        if(!jGalleryFirstStart)
        {
                if(!jGallery_move(id, cnt, -1, w, visible, transitionInterval))
                        jGallery_restart(id, cnt, transitionInterval);
        }

        jGalleryFirstStart = false;

        jGalleryTimer = setInterval(function(){ jGallery(id, visible, timeInterval, transitionInterval); }, timeInterval);
}

function jGallery_move(id, cnt, dir, w, visible, transitionInterval)
{
        if(jGallery_action)
                return false;

        var curr = document.getElementById("gallery-"+id+"-holder").style.left;
        curr = parseFloat(curr);

        if(isNaN(curr))
                curr = 0;
        if(dir > 0)
        {
                if(curr >= 0)
                        return false;
        }
        else
        {
                if(curr + cnt * w - visible * w <= 0)
                        return false;
        }

        jGallery_action = true;
        var offset = w;

        if(dir < 0)
                dir = "-";
        else
                dir = "+";

        $("#gallery-"+id+"-holder").animate(
                {left : dir+"="+offset+"px"},
                {queue:true, duration:transitionInterval, complete: function() {jGallery_action = false;}}
        );

        return true;
}

function jGallery_restart(id, cnt, transitionInterval)
{
        if(jGallery_action)
                return false;

        var curr = document.getElementById("gallery-"+id+"-holder").style.left;
        curr = parseFloat(curr);

        if(isNaN(curr))
                curr = 0;
        if(curr >= 0)
                return false;

        jGallery_action = true;
        var offset = curr * (-1);

        $("#gallery-"+id+"-holder").animate(
                {left : "+="+offset+"px"},
                {queue:true, duration:transitionInterval*cnt, complete: function() {jGallery_action = false;}}
        );

        return true;
}

var jMenu_timeout    = 500;
var jMenu_effectTime = 200;
var jMenu_closetimer = 0;
var jMenu_ddmenuitem = 0;
var jMenu_openid = 0;
var jMenu_action = false;
function jMenu_open()
{
        jMenu_canceltimer();

        if($("a", this).html() == jMenu_openid)
                return;

        if(jMenu_action)
                return;

        jMenu_close();

        if($("ul", this).size() == 0)
                return;

        jMenu_action = true;
        jMenu_ddmenuitem = $(this).find('ul').slideDown(jMenu_effectTime, function() {jMenu_action = false;});
        jMenu_openid = $("a", this).html();
        if (document.getElementById('ul'))
                document.getElementById('ul').className = 'current';
}

function jMenu_close()
{
        if(jMenu_action)
                return;

        if(jMenu_ddmenuitem)
        {
                jMenu_action = true;
                jMenu_ddmenuitem.fadeOut(jMenu_effectTime, function() {jMenu_action = false;});
                jMenu_ddmenuitem = null;
                jMenu_openid = null;
        }
}

function jMenu_timer()
{
        jMenu_closetimer = window.setTimeout(jMenu_close, jMenu_timeout);
}

function jMenu_canceltimer()
{
        if(jMenu_closetimer)
        {
                window.clearTimeout(jMenu_closetimer);
                jMenu_closetimer = null;
        }
}

$(document).ready(function() {
        $('#jMenu > li').bind('mouseover', jMenu_open)
        $('#jMenu > li').bind('mouseout',  jMenu_timer)
        $('#jMenu > li > ul').bind('mouseover',  jMenu_canceltimer)
        $('#jMenu > li > ul > li').bind('mouseover',  jMenu_canceltimer)
});

document.onclick = jMenu_close;