function ShowPopup(hoveritem, str)
{
	tempX = hoveritem.offsetLeft + 18;
	tempY = hoveritem.offsetTop - 20;
	hp = document.getElementById("hoverpopup", str);
	hp.style.top = (tempY) + 'px';
	hp.style.left = (tempX) + 'px';
	hp.style.visibility = "Visible";
	hp.innerHTML=str;
}

function HidePopup()
{
	hp = document.getElementById("hoverpopup");
	hp.style.visibility = "Hidden";
}

function changeBgImage (image , id, color, bold) {
  document.getElementById(id).style.color = color;
  document.getElementById(id).style.backgroundImage = 'url('+image+')';
  document.getElementById(id).style.fontWeight = bold;
}

function changeMenu (id, idsub, img_src) {
  document.getElementById(id).style.display = 'block';
  document.getElementById(idsub).src='images/'+img_src;
}
function hidemenu (id, idsub, img_src) {
  document.getElementById(id).style.display = 'none';
  document.getElementById(idsub).src='images/'+img_src;
}

function changeMenu_over (id) {
  document.getElementById(id).style.display = 'block';
}

function hidemenu_over (id, idsub) {
  document.getElementById(id).style.display = 'none';
}

function zmen_spolupraca () {
  document.getElementById('spolupraca_j').style.display = 'block';
  document.getElementById('sporenie_j').style.display = 'none';
    for (I=1; I<=500; I++){
		parent.scroll(1,I)
    }    
 }

function zmen_sporenie () {
  document.getElementById('spolupraca_j').style.display = 'none';
  document.getElementById('sporenie_j').style.display = 'block';
    for (I=1; I<=800; I++){
		parent.scroll(1,I)
    }
}

function buton_over (id, image) {
	document.getElementById(id).style.backgroundImage = 'url(images/'+image+')';
}