function GetCookie (name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
    var j = i + alen;
    if (document.cookie.substring(i, j) == arg)
    return getCookieVal (j);
    i = document.cookie.indexOf(" ", i) + 1;
    if (i == 0) break;
  }
  return null;
}

var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function getcookieval(){
	var banlayer = GetCookie('banlayer');	
	return banlayer;
}

function amts(){
	//alert("working");
  var banlayer = GetCookie('banlayer');	
  if(banlayer == null) {
	showLayer('First')
	hideLayer('Return')
    return 1
  }  else {
	 if(banlayer != 1) { 
		showLayer('Return')
		hideLayer('First')	 
		return 1
	 } else { //show layer for 1stime visitors in site pages if banlayer is 1
		showLayer('First')
		hideLayer('Return')		 
	 }
  }

}

function getCookieVal(offset) {
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset, endstr));
}

var nn4 = (document.layers) ? true : false
var ie = (document.all) ? true : false
var dom = (document.getElementById && !document.all) ? true : false

function browser(id){
  if(nn4) {
  path = document.layers[id]
  }
  else if(ie) {
  path = document.all[id]
  }
  else {
  path = document.getElementById(id)
  }
return path  
}


function showLayer(id) { // showlayer

layer = browser(id)
   if(nn4){
   layer.visibility = "visible";
   }
   else{
   layer.style.visibility = "visible";
   }
}

function hideLayer(id) { // hidelayer
layer = browser(id)
   if(nn4){
   layer.visibility = "hidden";
   }
   else{
   layer.style.visibility = "hidden";
   }
}