//constants
var cstrproductid = 'sc_productid';
var cstrproductcode = 'sc_productcode';
var cstrdeparturedate = 'sc_departuredate';
var cstrnights = 'sc_nights';
var cstradults  = 'sc_adults';
var cstrchildren = 'sc_children';
var cstrprice = 'sc_price';

//cookie functions
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 readCookie(name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

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

//saves dates and prices for the selected holiday
function savePricesAndDates(productid,productcode,departuredate,nights,adults,children){
	//erase previous values
	eraseCookie(cstrproductid);
	eraseCookie(cstrproductcode);
	eraseCookie(cstrdeparturedate);
	eraseCookie(cstrnights);
	eraseCookie(cstradults);
	eraseCookie(cstrchildren);
	//set cookies
	createCookie(cstrproductid,productid,0);
	createCookie(cstrproductcode,productcode,0);
	createCookie(cstrdeparturedate,departuredate,0);
	createCookie(cstrnights,nights,0);
	createCookie(cstradults,adults,0);
	createCookie(cstrchildren,children,0);
}