var textSizerCookieName = 'januviaTextSizer';

function setTextSize(textSize)
{
  createTextCookie(textSizerCookieName, escape(textSize));

  var redirectUrl = location.href;
  var poundPosition = redirectUrl.indexOf('#', 0);

  if (poundPosition != -1)
  {
    redirectUrl = redirectUrl.substring(0, poundPosition);
  }
  document.location.href = redirectUrl;
}

var textSizerCookieValue = readCookie(textSizerCookieName);
if (textSizerCookieValue != null && textSizerCookieValue != undefined)
{
  if (textSizerCookieValue != 'normal')
  {
    if (textSizerCookieValue == 'larger')
    {
      document.write('<style type="text/css" media="all">@import "/januvia/hcp/shared/css/larger-text.css";</style>');
    }
    else
    {
      document.write('<style type="text/css" media="all">@import "/januvia/hcp/shared/css/largest-text.css";</style>');
    }
  }
}

/* cookie scripts taken from http://www.quirksmode.org/js/cookies.html?cookievalue=asdf# */
function createTextCookie(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);
}
