function ulubione(){
	var nazwa = 'invent - grupa doradztwa i treningu';
	var url = 'http://www.invent.com.pl';
	if (document.all) window.external.AddFavorite(url, nazwa);
	else if (window.sidebar) window.sidebar.addPanel(nazwa, url, "");
}

function showsub(obj){
	var el = document.getElementById(obj);
	if (el.style.display != 'none'){
		el.style.display = 'none';
	}else{
		el.style.display = '';
	}
}

function divsize(obj) {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  var el = document.getElementById(obj);
  el.style.width=myWidth;
  el.style.height=myHeight;
}