v6=document.getElementById?1:0;
ie=document.all?1:0;
nn=document.layers?1:0;

function MoveV(v, offset) {
  if(v6) {
    l=document.getElementById(v);
    l.style.top=offset;
  }
  if(ie) {
	document.all[v].style.top=offset;
  }
  if(nn) {
    document.layers[v].top=offset;
  }
}

function SetVisible(v, visible) {
  if(v6) {
    l=document.getElementById(v);
    l.style.visibility=visible;
  }
  if(ie) {
    document.all[v].style.visibility=visible;
  }
  if(nn) {
    document.layers[v].visibility=visible;
  }
}

function ShowSub(menu) {
  if(menu=='pr_alm') {
	n=88;
    setTimeout("SetVisible('pr_hcm_sub', 'hidden')", 1);
    setTimeout("SetVisible('pr_m_sub', 'hidden')", 1);
    setTimeout("MoveV('pr_m', n)", 10);
    setTimeout("MoveV('pr_br', n)", 10);
    setTimeout("MoveV('pr_hcm', n)", 10);
    setTimeout("MoveV('pr_gr', n)", 10);
    setTimeout("SetVisible('pr_alm_sub', 'visible')", 50);
  }
  if(menu=='pr_hcm') {
    n=54;
    setTimeout("SetVisible('pr_alm_sub', 'hidden')", 1);
    setTimeout("SetVisible('pr_m_sub', 'hidden')", 1);
    setTimeout("MoveV('pr_br', n)", 10);
    setTimeout("MoveV('pr_m', n)", 10);
    setTimeout("MoveV('pr_gr', n)", 10);
    setTimeout("MoveV('pr_hcm', 0)", 10);
    setTimeout("SetVisible('pr_hcm_sub', 'visible')", 50);
  }
  if(menu=='pr_m') {
	n=51;
    setTimeout("SetVisible('pr_alm_sub', 'hidden')", 1);
    setTimeout("SetVisible('pr_hcm_sub', 'hidden')", 1);
    setTimeout("MoveV('pr_gr', n)", 10);
    setTimeout("MoveV('pr_hcm', 0)", 10);
    setTimeout("MoveV('pr_br', 0)", 10);
    setTimeout("MoveV('pr_m', 0)", 10);
    setTimeout("SetVisible('pr_m_sub', 'visible')", 50);
  }
}