window.onload = function() {
  setWarningDiv('warningDiv');
  setLeftPart('leftPart');
}

function setWarningDiv(id) {
  var el = document.getElementById(id);
  if (el) {
    if (el.scrollHeight < 175) {
      el.style.height = '150px'
    }
  }
}

function setLeftMenu(id) {
  var menu = document.getElementById(id);
  if (menu) {
    if (menu.scrollHeight < 253) menu.style.marginBottom = 253 - menu.scrollHeight + 'px';
  }
}

function setLeftPart(id) {
  setLeftMenu('menuContent');
  var part = document.getElementById(id);
  if (part) {
    if (part.scrollHeight < 253) part.style.height = '253px';
    var banners = document.getElementById('footBanners');
    if (banners) part.style.paddingBottom = banners.scrollHeight + 'px';
  }
}

function changeState(el) {
  var parent = el.parentNode;
  var block = parent.getElementsByTagName('div');
  if (block.length) {
    if (el.className == 'default') {
      block[0].className = 'left_menu_block';
      el.className = 'active';
    } else {
      block[0].className = 'hidden';
      el.className = 'default';
    }
  }
  setLeftPart('leftPart');
}