function clear_text(input, default_text){
    if (input.value == default_text) {
        input.value = "";
        input.style.color = "#000";
    }
}

function set_text(input, default_text){
    if (input.value == '') {
        input.value = default_text;
        input.style.color = "#999";
    }
}

function OpenLink(pagelink){
    document.location.href = pagelink;
}

function Delete(pagelink){
    question = window.confirm("Napewno chcesz usunąć ? ");
    if (question == true) 
        document.location.href = pagelink;
}

$(function(){
    $("ul#menu_top_list").tabs();
    
    $('ul#menu_top_list').bind('tabsshow', function(event, ui){
        if (ui.index == 3) {
            $("#problem textarea").animate({
                height: "90px"
            }, 500);
            
        }
        else {
            $("#problem textarea").css('height', '15px');
        }
    });
    
});

function ValidLink(input){
    var name = input.val();
    
    if (!name) {
        alert('Wpisz adres URL do filmu.');
        return false;
    }
    else {
        return true;
    }
}

function add_to_favorite_service(ins_id){
    $('#add_toother').hide();
    $.ajax({
        type: "GET",
        url: "/instrukcje.pl/ajax/add_to_favorite_service/" + ins_id,
        success: function(msg){
            alert(msg);
        }
    });
}

function simple_login(ins_id){
    $("select, embed, object").hide();
    $('#add_toother').hide();
    $("#SimpleLogin").show();
    $("#SimpleLogin").dialog({
        modal: true,
        title: 'Zaloguj się, aby pobrać dokument w formacie .pdf',
        height: 370,
        width: 880,
        overlay: {
            opacity: 0.5,
            background: "black"
        },
        close: function(){
            $("select, embed, object").show();
        }
        
    });
}

function accepted_rules(){
    var rule = $("#agree")[0].checked;
    if (rule) {
        return true;
    }
    else {
        alert("Musisz zaakceptować regulamin.");
        return false;
    }
}