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HTML

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<div class="container">
  
  <div class="nav">
    
    <img src="http://placehold.it/1200x300">
    
  </div>
  
</div>

JavaScript

Module

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/**
 *  
 * JQUERY EU COOKIE LAW POPUPS
 * version 1.0.0
 * 
 * Code on Github:
 * https://github.com/wimagguc/jquery-eu-cookie-law-popup
 * 
 * To see a live demo, go to:
 * http://www.wimagguc.com/2015/04/jquery-eu-cookie-law-popup/
 * 
 * by Richard Dancsi
 * http://www.wimagguc.com/
 * 
 */
​
(function($) {
​
// for ie9 doesn't support debug console >>>
if (!window.console) window.console = {};
if (!window.console.log) window.console.log = function () { };
// ^^^
​
var EuCookieLawPopup = (function() {
​
  var _self = this;
​
  ///////////////////////////////////////////////////////////////////////////////////////////////
  // PARAMETERS (MODIFY THIS PART) //////////////////////////////////////////////////////////////
  _self.params = {
    cookiePolicyUrl : '/cookie-privacy-policy/',
    popupPosition : 'bottom',
    colorStyle : 'default',
    compactStyle : false,
    popupTitle : 'This site uses cookies to store information on your computer',
    popupText : '',
    buttonContinueTitle : 'Learn more',
    buttonLearnmoreTitle : 'Learn&nbsp;more',
    buttonLearnmoreOpenInNewWindow : true,
    agreementExpiresInDays : 30,
    autoAcceptCookiePolicy : true,
    htmlMarkup : null
  };
​
  ///////////////////////////////////////////////////////////////////////////////////////////////
  // VARIABLES USED BY THE FUNCTION (DON'T MODIFY THIS PART) ////////////////////////////////////
  _self.vars = {
    INITIALISED : false,
    HTML_MARKUP : null,
    COOKIE_NAME : 'EU_COOKIE_LAW_CONSENT'
  };
​
  ///////////////////////////////////////////////////////////////////////////////////////////////
  // PRIVATE FUNCTIONS FOR MANIPULATING DATA ////////////////////////////////////////////////////
​
  // Overwrite default parameters if any of those is present
  var parseParameters = function(object, markup, settings) {
​
    if (object) {
      var className = $(object).attr('class') ? $(object).attr('class') : '';
      if (className.indexOf('eupopup-top') > -1) {
        _self.params.popupPosition = 'top';
      }
      else if (className.indexOf('eupopup-fixedtop') > -1) {
        _self.params.popupPosition = 'fixedtop';
      }
      else if (className.indexOf('eupopup-bottomright') > -1) {
        _self.params.popupPosition = 'bottomright';
      }
      else if (className.indexOf('eupopup-bottomleft') > -1) {
        _self.params.popupPosition = 'bottomleft';
      }
      else if (className.indexOf('eupopup-bottom') > -1) {
        _self.params.popupPosition = 'bottom';
      }
      else if (className.indexOf('eupopup-block') > -1) {
        _self.params.popupPosition = 'block';
      }
      if (className.indexOf('eupopup-color-default') > -1) {
        _self.params.colorStyle = 'default';
      }
      else if (className.indexOf('eupopup-color-inverse') > -1) {
        _self.params.colorStyle = 'inverse';
      }
      if (className.indexOf('eupopup-style-compact') > -1) {
        _self.params.compactStyle = true;
      }
    }
​
    if (markup) {
      _self.params.htmlMarkup = markup;
    }
​
    if (settings) {
      if (typeof settings.cookiePolicyUrl !== 'undefined') {
        _self.params.cookiePolicyUrl = settings.cookiePolicyUrl;
      }
      if (typeof settings.popupPosition !== 'undefined') {
        _self.params.popupPosition = settings.popupPosition;
      }
      if (typeof settings.colorStyle !== 'undefined') {
        _self.params.colorStyle = settings.colorStyle;
      }
      if (typeof settings.popupTitle !== 'undefined') {
        _self.params.popupTitle = settings.popupTitle;
      }
      if (typeof settings.popupText !== 'undefined') {
        _self.params.popupText = settings.popupText;
      }
      if (typeof settings.buttonContinueTitle !== 'undefined') {
        _self.params.buttonContinueTitle = settings.buttonContinueTitle;
      }
      if (typeof settings.buttonLearnmoreTitle !== 'undefined') {
        _self.params.buttonLearnmoreTitle = settings.buttonLearnmoreTitle;
      }
      if (typeof settings.buttonLearnmoreOpenInNewWindow !== 'undefined') {
        _self.params.buttonLearnmoreOpenInNewWindow = settings.buttonLearnmoreOpenInNewWindow;
      }
      if (typeof settings.agreementExpiresInDays !== 'undefined') {
        _self.params.agreementExpiresInDays = settings.agreementExpiresInDays;
      }
      if (typeof settings.autoAcceptCookiePolicy !== 'undefined') {
        _self.params.autoAcceptCookiePolicy = settings.autoAcceptCookiePolicy;
      }
      if (typeof settings.htmlMarkup !== 'undefined') {
        _self.params.htmlMarkup = settings.htmlMarkup;
      }
    }
​
  };
​
  var createHtmlMarkup = function() {
​
    if (_self.params.htmlMarkup) {
      return _self.params.htmlMarkup;
    }
​
    var html = 
      '<div class="eupopup-container' + 
          ' eupopup-container-' + _self.params.popupPosition + 
          (_self.params.compactStyle ? ' eupopup-style-compact' : '') + 
        ' eupopup-color-' + _self.params.colorStyle + '">' +
        '<div class="eupopup-head">' + _self.params.popupTitle + '</div>' +
        '<div class="eupopup-body">' + _self.params.popupText + '</div>' +
        '<div class="eupopup-buttons">' +
          '<a href="#" class="eupopup-button eupopup-button_1">' + _self.params.buttonContinueTitle + '</a>' +
          '<a href="' + _self.params.cookiePolicyUrl + '"' +
          (_self.params.buttonLearnmoreOpenInNewWindow ? ' target=_blank ' : '') +
          ' class="eupopup-button eupopup-button_2">' + _self.params.buttonLearnmoreTitle + '</a>' +
          '<div class="clearfix"></div>' +
        '</div>' +
        '<a href="#" class="eupopup-closebutton"><img src="/images/icons/svg/close.svg"></a>' +
      '</div>';
​
    return html;
  };
​
  // Storing the consent in a cookie
  var setUserAcceptsCookies = function(consent) {
    var d = new Date();
    var expiresInDays = _self.params.agreementExpiresInDays * 24 * 60 * 60 * 1000;
    d.setTime( d.getTime() + expiresInDays );
    var expires = "expires=" + d.toGMTString();
    document.cookie = _self.vars.COOKIE_NAME + '=' + consent + "; " + expires + ";path=/";
​
    $(document).trigger("user_cookie_consent_changed", {'consent' : consent});
  };
​
  // Let's see if we have a consent cookie already
  var userAlreadyAcceptedCookies = function() {
    var userAcceptedCookies = false;
    var cookies = document.cookie.split(";");
    for (var i = 0; i < cookies.length; i++) {
      var c = cookies[i].trim();
      if (c.indexOf(_self.vars.COOKIE_NAME) == 0) {
        userAcceptedCookies = c.substring(_self.vars.COOKIE_NAME.length + 1, c.length);
      }
    }
​
    return userAcceptedCookies;
  };
  
  var hideContainer = function() {
    // $('.eupopup-container').slideUp(200);
    $('.eupopup-container').animate({
      opacity: 0,
      height: 0
    }, 200, function() {
      $('.eupopup-container').hide(0);
    });
  };
​
  ///////////////////////////////////////////////////////////////////////////////////////////////
  // PUBLIC FUNCTIONS  //////////////////////////////////////////////////////////////////////////
  var publicfunc = {
​
    // INITIALIZE EU COOKIE LAW POPUP /////////////////////////////////////////////////////////
    init : function(settings) {
​
      parseParameters(
        $(".eupopup").first(),
        $(".eupopup-markup").html(),
        settings);
​
      // No need to display this if user already accepted the policy
      if (userAlreadyAcceptedCookies()) {
        return;
      }
​
      // We should initialise only once
      if (_self.vars.INITIALISED) {
        return;
      }
      _self.vars.INITIALISED = true;
​
      // Markup and event listeners >>>
      _self.vars.HTML_MARKUP = createHtmlMarkup();
​
      if ($('.eupopup-block').length > 0) {
        $('.eupopup-block').append(_self.vars.HTML_MARKUP);
      } else {
        $('BODY').append(_self.vars.HTML_MARKUP);
      }
​
      $('.eupopup-button_1').click(function() {
        setUserAcceptsCookies(true);
        hideContainer();
        return false;
      });
      $('.eupopup-closebutton').click(function() {
        setUserAcceptsCookies(true);
        hideContainer();
        return false;
      });
      // ^^^ Markup and event listeners
​
      // Ready to start!
      $('.eupopup-container').show();
​
      // In case it's alright to just display the message once 
      if (_self.params.autoAcceptCookiePolicy) {
        setUserAcceptsCookies(true);
      }
​
    }
​
  };
​
  return publicfunc;
});
​
$(document).ready( function() {
  if ($(".eupopup").length > 0) {
    (new EuCookieLawPopup()).init({
      'info' : 'YOU_CAN_ADD_MORE_SETTINGS_HERE',
      'popupTitle' : 'This site uses cookies to store information on your computer',
      'popupText' : '',
      'buttonLearnmoreTitle' : ''
    });
  }
});
​
}(jQuery));

CSS

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.eupopup-container {
    position: relative;
    z-index: 190;
    top: 0;
    width: 100%;
    height: 64px;
    background: #4a4a4a;
    text-align: center;
    padding-top: 5px;
    display: block;
}
​
.nav {
  position:fixed;
  top:0;
  margin-top: 64px;
}

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