function showActive(n){
	var x=getObj(n);
	x.visibility="visible";
}

function hideActive(n){
	var x=getObj(n);
	x.visibility="hidden";
}


function getObj(name){
  if (document.getElementById){
    return document.getElementById(name).style;
  }
  else if (document.all){
    return document.all[name].style;
  }
  else if (document.layers){
    return document.layers[name];
  }
  else return false;
}	


function over(no){
	if (document.images){
		document.images[no].src = "images/subactive.gif";
	}
}
function out(no){
	if (document.images){
		document.images[no].src = "images/nix.gif";
	}
}