//this sets the date for the cookie to use
var now = new Date();
var expires = now.setTime(now.getTime() + 24 * 60 * 60 * 1000);
	
//function for setting a cookie
function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") + 
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

//function to read a cookie
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

//function to check visit
function checkVisit(Visit) {
     var quantity = getCookie(Visit);
     if (!quantity) {
           quantity = 0; // the value for the new cookie
		   MM_showHideLayers('janad','','show');
      
     } else {
       // add visit
       //document.write("You have already been here");
     }
     // set the new cookie
     setCookie(Visit, quantity, now);
}