function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

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

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;
  }

function eraseCookie(name) {
	createCookie(name,"",-1);
}


function hidenotice(number) {
	document.getElementById('notices').style.display = 'none';
	document.getElementById('notices2').style.display = 'block'
	createCookie('notices',number,'30');
}
function shownotice() {
	document.getElementById('notices2').style.display = 'none';
	document.getElementById('notices').style.display = 'block'
	eraseCookie('notices');
}