function Prepni(id)
{
var x = document.getElementById( id );
var st = x.style.display;
HideAll();

if( st == 'none' )
	x.style.display = 'block';
else
	x.style.display = 'none';
}

function HideAll()
{
var y = document.getElementById('menu2').getElementsByTagName('ul');
for( i=0;i<y.length;i++ )
 {
   if( y[i].className != "active" ) y[i].style.display='none';
 }
}

function NewR(link)
{
  open(link, "", "scrollbars=yes, width=750, height=600,status=yes,resizable=yes,directories=yes,toolbar=yes,menubar=yes,location=yes" );
}
function Activate(obj)
{
var y = document.getElementById('menu1').getElementsByTagName('a');
for( i=0;i<y.length;i++ )
 {
   if( y[i].className == "active" ) y[i].className="";
 }
 obj.className = "active";
}