// JavaScript Document
function getCookie(name) {
  var cookieValue = "";
  var search = name + "=";
	if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search);
		if (offset != -1) {
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}

function setCookie(cookieName, cookieValue, DayValue) {
	var expire = "";
	var day_value=1;
	if (DayValue != null) {
		day_value=DayValue;
	}
    expire = new Date((new Date()).getTime() + day_value * 86400000);
    expire = "; expires=" + expire.toGMTString();
	document.cookie = cookieName + "=" + escape(cookieValue) +";path=/"+ expire;
}

function delCookie(cookieName) {
	var expire = "";
    expire = new Date((new Date()).getTime() - 1 );
    expire = "; expires=" + expire.toGMTString();
	document.cookie = cookieName + "=" + escape("") +";path=/"+ expire;
	//path=/
}