/**
 * @author Tim
 */

$(document).ready(function() {
	$(".lang_changer a").click(function() {
		if($(this).attr("class").indexOf("german_changer") > -1){
			$.cookie("lang", "german");
		}
		else if($(this).attr("class").indexOf("english_changer") > -1){
			$.cookie("lang", "english");
		}
		checkLang();
		return false;
	});
	
	checkLang();
	
	setBG();
});

function checkLang(){
	if($.cookie("lang") == "german"){
		$(".lang_changer a").removeClass("active");
		$(".german_changer").addClass("active");
		$(".english").css("display", "none");
		$(".german").css("display", "block");
	}
	else if($.cookie("lang") == "english"){
		$(".lang_changer a").removeClass("active");
		$(".english_changer").addClass("active");
		$(".german").css("display", "none");
		$(".english").css("display", "block");
	}
	else{
		$(".lang_changer a").removeClass("active");
		$(".german_changer").addClass("active");
		$(".english").css("display", "none");
		$(".german").css("display", "block");
		$.cookie("lang", "german");
	}
}

function setBG(){
	var imgPath = $(".background").attr("src");
	$("body").css("background", "url('" + imgPath + "') no-repeat fixed top right");
}

jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};