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jQuery get brwoser window size only works if first writing visible character to screen..

var brW = $(window).width();
var brH = $(window).height();

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set timed cookie

var cookieExpires = new Date();
var cookieYear = cookieExpires.getFullYear();
var cookieMonth = cookieExpires.getMonth() + 6;//(expires in 6 months)
var cookieDay = cookieExpires.getDate();
$.cookies.set('cookieName', 'cookieValue', {expiresAt: new Date(cookieYear,cookieMonth,cookieDay)});