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

	return unescape(document.cookie.substring(offset, endstr));
}

function SetCookie(name, value, days) {
	var todayDate = new Date();
	todayDate.setDate( todayDate.getDate() + days );

   document.cookie = name + "=" + escape(value) + ";path=/;"   + ((todayDate == null) ? "" : ("; expires=" + todayDate.toGMTString()))
}

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 CheckMainPopup(cookiename){
	if (GetCookie(cookiename)=='1'){
		return true;
	}
	else	 return false;
}

function SetCookiePopup(cookiename, value, day) {
	SetCookie(cookiename,value,day);
}