function setContentSize() { 
                                                                                                                                                         
    var content = document.getElementById('content');                
    var footerHeight = document.getElementById('footer').offsetHeight;
    var headerHeight = document.getElementById('header').offsetHeight;

    var webPage = content.offsetHeight + footerHeight + headerHeight;
   
    var windowHeight = 0;

    if (window.innerHeight)
    {
       windowHeight = window.innerHeight;
    }
    else
    {
       windowHeight = document.documentElement.clientHeight;
    }
    
    if (webPage < windowHeight)
    {
       content.style.height = windowHeight - footerHeight - headerHeight - 39 + 'px';
    }
  
  }


      function build_menu() {

        if( !$('menuId') ) {

          $$('#menuzone ul.menu')[0].setAttribute('id', 'menuId');

             $$('#menuzone ul.menu ul.level1').each(function(level1) {
             li = level1.getElementsBySelector("li ul.level2 li");
             for (i = 0; i < li.length; i++)
             {
               level1.appendChild(li[i]);
             }
           });

             Menu.init("menuId", {"orientation": Menu.HORIZONTAL, "hidePause": 0.2});

             var sirka = 0;
             var vyska = 0;
           $$('#menuzone ul.menu li').each(function(item) {
             if (item.parentNode.hasClassName('menu')) {
               sirka = sirka + item.offsetWidth;
               vyska = item.offsetHeight;
               if( vyska > 55 ) item.style.display = 'none';
               if( sirka > 590 ) item.style.display = 'none';
             }
           }
           );

        }

      }