/**
 * Funkce pro posouvani videa na uvodni strance
 */
$(document).ready(function() {
    page_init();
});
 
function page_init(){
    init_mainmenu();
    init_sidemenu();
    init_search();
    init_banners();
    homepagepage_init();
//	init_login();
//	init_contact_slider();
//	init_product();
}

function init_mainmenu() {
    init_menu2("#mainmenu");
}

function init_sidemenu() {
    init_menu3(".sidemenu");
}

function init_menu1(idAttr) {
    var allItems = $(idAttr + " li");
    allItems.eq(0).addClass("first")
	allItems.eq(allItems.length - 1).addClass("last");
}

function init_menu2(idAttr) {
    var allItems = $(idAttr + " li");
    var firstItem = allItems.eq(0);
	var lastItem = allItems.eq(allItems.length - 1);

    firstItem.addClass("first");
    lastItem.addClass("last");

    allItems.mouseenter(function() {
	if ($(this).hasClass('active') == false) {
	    $(this).addClass('hover');
	}
    }).mouseleave(function() {
	$(this).removeClass('hover');
    });
}

function init_menu3(idAttr) {
	var allItems = $(idAttr + " li");
	var firstItem = allItems.eq(0);
	var lastItem = allItems.eq(allItems.length - 1);
//	var middleItems = allItems.not(":first, :last");

    firstItem.addClass("first");
    lastItem.addClass("last");

	if (firstItem.hasClass("active")) {
		firstItem.addClass("first_active");
	}
	if (lastItem.hasClass("active")) {
		lastItem.addClass("last_active");
	}

	firstItem.mouseenter(function() {
		if ($(this).hasClass('first_active') == false) {
			$(this).addClass('first_hover');
		}
	}).mouseleave(function() {
		$(this).removeClass('first_hover');
	});

	lastItem.mouseenter(function() {
		if ($(this).hasClass('last_active') == false) {
			$(this).addClass('last_hover');
		}
	}).mouseleave(function() {
		$(this).removeClass('last_hover');
	});

	allItems.mouseenter(function() {
		if ($(this).hasClass('active') == false) {
			$(this).addClass('hover');
		}
	}).mouseleave(function() {
		$(this).removeClass('hover');
	});

}

function init_banners() {
    if ($("#banners").length == 1) {
        $("#banners img:eq(0)").hover(function() {
            $(this).attr("src", "/media/image/banner_active_1.gif");
        }, function() {
            $(this).attr("src", "/media/image/banner_1.gif");
        });
        $("#banners img:eq(1)").hover(function() {
            $(this).attr("src", "/media/image/banner_active_2.gif");
        }, function() {
            $(this).attr("src", "/media/image/banner_2.gif");
        });
        $("#banners img:eq(2)").hover(function() {
            $(this).attr("src", "/media/image/banner_active_3.gif");
        }, function() {
            $(this).attr("src", "/media/image/banner_3.gif");
        });
    }
}

function init_search() {
	var input = $("#search input:eq(0)");
	var defaultText = input.val();
	if (defaultText.length > 0) {
		input.click(function() {
			if (input.val() == defaultText) {
				input.val("");
			}
		}).blur(function() {
			if (input.val() == "") {
				input.val(defaultText);
			}
		});
	}
}

function init_login() {
	var username = $("#signin_username");
	var password = $("#signin_password");
	var defaultUsernameText = username.val();
	var defaultPasswordText = password.val();

	if (defaultUsernameText.length > 0) {
		username.click(function() {
			if (username.val() == defaultUsernameText) {
				username.val("");
			}
		}).blur(function() {
			if (username.val() == "") {
				username.val(defaultUsernameText);
			}
		});
	}
	password.val("");
}


jQuery.cookie = function (key, value, options) {

    // key and value given, set cookie...
    if (arguments.length > 1 && (value === null || typeof value !== "object")) {
        options = jQuery.extend({}, options);

        if (value === null) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }

        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? String(value) : encodeURIComponent(String(value)),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};

var slide = 0;
function homepagepage_init() {
    $("#homepage_middle_tabs").tabs({
            cookie: {
                    expires: 1
            }
    });
    $(".quick_access_box li").hover (function() {
        $(this).addClass("yellow");
    }, function() {
        $(this).removeClass("yellow");
    });
    setInterval( "slide_show()", 3000 );
}
function slide_show(){
    var $active = $('.show');
    var $next = $('.slide');
    if(slide == 3){
        slide = 0;
    } else {
        slide++;
    }
    $next = $($next[slide]);
    $active.css("z-index","10");
    $next.css({opacity: 0.0})
        .css("z-index","11")
        .addClass('show')
        .animate({opacity: 1.0}, 1000, function() {
            $active.css("z-index","9").removeClass("show");
        });
}