jQuery.extend({
  cms: {
    redirect: function (href) {
      window.location.href = href;
    },
    
    submit: function (form){
      $("form#"+form).submit();
    },
    
    updateBlock: function (id, html) {
      $("#" + id).html(html);
    },
    
    appendBlock: function (id, html) {
      $("#" + id).append(html);
    },

    replaceBlock: function (id, html) {
      $("#" + id).empty();
      $("#" + id).replaceWith(html);
    },

      
    success: function (payload) {
      // redirect
      if (payload) {
        if (payload.redirect) {
          redirect(payload.redirect);
          return;
        }

        // update blocks
        if (payload.blocks) {
          for (var i in payload.blocks) {
            jQuery.cms.updateBlock(i, payload.blocks[i]);
          }
        }
        
        // replace blocks
        if (payload.blocks_replace) {
          for (var i in payload.blocks_replace) {
            jQuery.cms.replaceBlock(i, payload.blocks_replace[i]);
          }
        }
        
        // append blocks
        if (payload.blocks_append) {
          for (var i in payload.blocks_append) {
            appendBlock(i, payload.blocks_append[i]);
          }
        }
      }
    },
    
    // nastavi swip predanemu elementu
    setSwip: function ($element, message) {
      $element.focus(function(){
        $.cms.swip($element, message, "");
      });
      
      $element.blur(function(){
        $.cms.swip($element, "", message);
      });
    },
    
    // Vymazani hodnoty value u inputu
    swip: function ($element, swipFrom, swipTo) {
      if ($element.val() == swipFrom) $element.val(swipTo);
    },
    
    /**
    * vytvori cookie
    */
    createCookie: function (name, value, days, path) {
      path = path || "/";
      
      if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
      }
      else var expires = "";
      document.cookie = name+"="+value+expires+"; path=" + path;
    },

    /**
    * precte cookie
    */
    readCookie: function (name) {
      var nameEQ = name + "=";
      var ca = document.cookie.split(';');
      for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
      }
      
      return null;
    },
    
    /**
    * vrati hodnotu z cookie
    */
    readCookieItem: function(cookie, param) {
      var values = readCookie(cookie);
      
      if (values) {
        var valuesArr = values.split(';');
        
        for(var i=0;i < ca.length;i++) {
          pair = valuesArr[i];
          
        }
      }
      
      return null;
    }
  }
});