$(document).ready(function()
{
  
  $("div.product-thumb h4").tooltip({ 
    
    // place tooltip on the right edge 
    position: ['bottom', 'right'], 
    
    // a little tweaking of the position 
    offset: [-150, -7], 
 
    // use a simple show/hide effect 
    effect: 'toggle', 
     
    // custom opacity setting 
    opacity: 0.9 
});

  var extraDiv = "div#indexProductListCatDescription div.extra";
  $(extraDiv).hide().prev("p").append(' <a href="#" id="read-more">Číst dále...</a>');
  $("#read-more").click(function(){
    $(extraDiv).slideToggle("slow", function() {
      if ($(this).css("display") == "block") {
        $("#read-more").html("Skrýt rozbalený text...");
      } else {
        $("#read-more").html("Číst dále...");
      }
    });
    return false;
  });
  
  
});