var m_cstrStylesheet_normal = "/Style%20Library/SFS/Empty.css";
var m_cstrStylesheet_large = "/Style%20Library/SFS/SFS_big.css";

blnUseLargeStylesheet = "No";

function UseStyleSheet()
{
	blnUseLargeStylesheet = getCookieValue('UseLargeStylesheet');
	if (blnUseLargeStylesheet == "Yes")
	{
		try
		{
        if (document.getElementById("ctl00_linkStylesheet")) {document.getElementById("ctl00_linkStylesheet").href = m_cstrStylesheet_large;}
        if (document.getElementById("icon_stoerre")) {document.getElementById("icon_stoerre").style.display = "none";}
        if (document.getElementById("icon_mindre")) {document.getElementById("icon_mindre").style.display = "block";}
		}
		catch (e) {}
	}
	else
	{
		try
		{
	    if (document.getElementById("ctl00_linkStylesheet")) {document.getElementById("ctl00_linkStylesheet").href = m_cstrStylesheet_normal;}
        if (document.getElementById("icon_stoerre")) {document.getElementById("icon_stoerre").style.display = "block";}
        if (document.getElementById("icon_mindre")) {document.getElementById("icon_mindre").style.display = "none";}
		}
		catch (e) {}
	}
}


function SwitchStylesheet()
{
	if (blnUseLargeStylesheet == "Yes")
	{
		writePersistentCookie ('UseLargeStylesheet', 'No');
	}
	else
	{
		writePersistentCookie ('UseLargeStylesheet', 'Yes');
	}
	UseStyleSheet();
}



function getCookieValue (cookieName) {
  var exp = new RegExp (escape(cookieName) + "=([^;]+)");
  if (exp.test (document.cookie + ";")) {
    exp.exec (document.cookie + ";");
    return unescape(RegExp.$1);
  }
  else return false;
}

function writePersistentCookie (CookieName, CookieValue) {
  var today = new Date();
  var expiry = new Date(today.getTime() + 365 * 24 * 60 * 60 * 1000);
  document.cookie = escape(CookieName ) + "=" + escape(CookieValue) + "; expires=" + expiry  + "; path=/";
}