window.onload = function() {
  filters();
  katalog();
}

function katalog() {
  var imgs = getElementsByClass('prodimg', ge('img'), 'div');
  
  for(var i=0;i<imgs.length;i++) {
    imgs[i].style.position = 'relative';
    var top = ((imgs[i].parentNode.offsetHeight - imgs[i].offsetHeight) / 2);
    
    imgs[i].style.top = top + 'px';
  }
}

function filters() {
  if(ge('vendors')) {
    var inps = ge('vendors').getElementsByTagName('input');
    for(var i=0;i<inps.length;i++) {
      inps[i].onclick = function() {this.blur();ge('fvendors').submit();}
    }
  }
}