function closeTTOverlay()
{
	$("#ttOverlay").fadeOut(100);
}

function openTTOverlay()
{
	// animate the div
	$("#ttOverlay").fadeIn(100).animate({top:"180px"},200).animate({left:"150px"},200).animate({height:"300px"},500).animate({width:"600px"},500);
	// write cookie	
	document.cookie = ttOverlayCookieName+" = 1;expires=" + new Date(new Date().getTime() + ttOverlayCookieExpiry).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 getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1)
      endstr = document.cookie.length;
   return unescape(document.cookie.substring(offset, endstr));
}
document.write('<style type="text\/css">@import url("\/css\/ttoverlay.css");<\/style>');
$(document).ready(function(){
	
	var ttOverlayShown = GetCookie(ttOverlayCookieName);
	if (ttOverlayShown == null) 
	{
		openTTOverlay();
	}else
	{
		closeTTOverlay();
	}
	
});