var speed = 500;
var galerie = false;
var galerieTed = 0;
var galerieActive = false;

$(document).ready(function(){

    $("#sponzori img").mouseenter(function(){
        $(this).fadeTo(speed/2, 0.5, function(){
            $(this).fadeTo(speed/2, 1.0);
        });
    });


// NACTENI GALERIE
if(galerie == true){
    var body = document.getElementsByTagName("body")[0];
    var div = document.createElement("div");
    div.setAttribute('id','galeriePop');
    body.appendChild(div);
    $('#galeriePop').html("<img onLoad=\"nacteno();\" id=\"galerieFoto\" src=\"\" alt=\"fotografie\" onclick=\"load();\" oncontextmenu=\"return false\" onmousedown=\"return false\" onselectstart=\"return false\" ondragstart=\"return false\"><div id=\"galerieLoading\"><img id=\"galerieLoad\" alt=\"loading\" src=\"../style/loading.gif\" onclick=\"load();\"></div><a href=\"#\" onclick=\"posungalerie(-1);\" id=\"galerieLeft\">«</a><a href=\"#\" onclick=\"posungalerie(1);\" id=\"galerieRight\">»</a><a id=\"galerieKrizek\" href=\"#\" onclick=\"load()\">X</a>");

    var pocet = 0;
    aElements = document.getElementsByTagName("a");
    galerie = new Array();
    for (var i = 0; i < aElements.length; i++) {
        if (aElements[i].hasAttribute("rel")) {
            if(aElements[i].rel == 'galerie'){
                
                aElements[i].rel = pocet;

                aElements[i].onclick = function() {pop(this.rel);return false;};
                galerie[pocet] = aElements[i].href;
                pocet++;
            }
        }
    }    
}

// GALERIE SIPKY
$(document).keydown(function(event) {
    if(galerieActive == true){
        if(event.keyCode == 27){
            load();
        }else if(event.keyCode == 37 || event.keyCode == 38){
            posungalerie(-1);
        }else if(event.keyCode == 39 || event.keyCode == 40){
            posungalerie(1);
        }
    }
});

});

$(window).resize(function() {
    
    });




// GALERIE

function pop(cislo){
    cislo = parseInt(cislo);
    document.getElementById('galerieFoto').src = galerie[cislo];
    $("#galeriePop").fadeIn(speed*2);
    galerieTed = cislo;
    galerieActive = true;
}
    
function posungalerie(cislo){
    cislo = galerieTed+cislo;
    if(cislo > -1 && cislo < galerie.length){
        document.getElementById('galerieFoto').src = '../style/bod.png';
        $("#galerieLoading").fadeIn();
        pop(cislo);
    }
}

function nacteno(){
    var top = ($("#galeriePop").height()-$("#galerieFoto").height())/2;
    if(top<0){
        top=0;
    }
                        
    $("#galerieLoading").fadeOut(speed);
    $("#galerieFoto").css("top", top+"px");
}

function load(){
    $("#galeriePop").fadeOut(speed, function(){
        document.getElementById('galerieFoto').src = '../style/bod.png';
        $("#galerieLoad").fadeIn();
    });
    galerieActive = false;
}
 
    

function galerie1(){
    galerie = true;
}