<!--
var dom = (document.getElementById && !document.all) ? 1 : 0;

function hide_all(total)
{
   for (var i = 1; i <= total; i++) {
	var obj = (dom) ? document.getElementById('x' + i) : document.all['x' + i];
	obj.style.display = "none"; 
	}
}

function show_hide(id, total)
{
  var obj = (dom) ? document.getElementById(id) : document.all[id];
  
  hide_all(total);
  
  if (obj.style.display == "none")
      { obj.style.display = "block"; } else { obj.style.display = "none"; }
}
-->