// JavaScript Document
var expDays = 60; // number of days the cookie should last (0 will cause it to always pop up)
//var page = "popup.htm";
var windowprops = "width=470,height=350,location=no,toolbar=no,menubar=no,statusbar=no,resizable=no";

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 SetCookie (name, value) 
{ 
	var argv = SetCookie.arguments; 
	var argc = SetCookie.arguments.length; 
	var expires = (argc > 2) ? argv[2] : null; 
	var path = (argc > 3) ? argv[3] : null; 
	var domain = (argc > 4) ? argv[4] : null; 
	var secure = (argc > 5) ? argv[5] : false; 

	document.cookie = name + "=" + escape (value) + 
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
	((path == null) ? "" : ("; path=" + path)) + 
	((domain == null) ? "" : ("; domain=" + domain)) + 
	((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) 
{ 
	var exp = new Date(); 
	exp.setTime (exp.getTime() - 1); 
	var cval = GetCookie (name); 
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

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

function amt()
{
	var count = GetCookie('rspwine_popup');
	if(count == null) 
	{
		SetCookie('rspwine_popup','1');
		return 1;
	}
	else 
	{
		var newcount = parseInt(count) + 1;
		DeleteCookie('rspwine_popup');
		SetCookie('rspwine_popup',newcount,exp);
		return count;
	}
}

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

/*
@param string site  the site using this script eg. en -> engineering news, mw -> mining weekly
*/
function checkCount(site) 
{
	page = "/popup."+ site +".html";
	cookie_name = site +"wine_popup";
//	page = "pop_"+ site +".html";
//	cookie_name = site +"_survey";

	var pu_count = GetCookie(cookie_name);
	if (pu_count == null) 
	{
		pu_count=1;
		SetCookie(cookie_name, pu_count, exp);
		window.open(page, "", windowprops);
	}
	else 
	{
		pu_count++;
		SetCookie(cookie_name, pu_count, exp);
	}
}
//window.onmouseout=checkCount;