var DHTML = (document.getElementById || document.all || document.layers);

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

var isIE = (window.navigator.userAgent.indexOf("MSIE") > 0 && window.navigator.userAgent.indexOf("Opera") < 1);
var isOpera = (window.navigator.userAgent.indexOf("Opera") > 0);


function invi(id,flag)
{//SEND 1 FOR INVISIBLE; 0 FOR VISIBLE
if (!DHTML) return;
var x = new getObj(id);
x.style.visibility = (flag) ? 'hidden' : 'visible'
}