function loadStyle() {
  var fsize = getCookie("css");
  setFontSize(fsize);
}
window.onload = loadStyle;

function setFontSize (value) {
	if (!document.getElementsByTagName) return;
	var el = document.getElementsByTagName("link");
	for (var i = 0; i < el.length; i++ ) {
		if ( (el[i].getAttribute("title") != "large") && (el[i].getAttribute("title") != "superlarge") ) {
			el[i].disabled = false;
		}
		else {
			if (el[i].getAttribute("title") != value) {
				el[i].disabled = true;
			}
			else {
				el[i].disabled = false;
			}
		}
	}
	setCookie("css", value, 30);
}
//-------------------------------------------------------------------------------
// Cookie-Funktionen

function setCookie(name, value, expdays) {   // g?ltig expdays Tage
  var now = new Date();
  var exp = new Date(now.getTime() + (1000*60*60*24*expdays));
  document.cookie = name+"="+escape(value) + ";"+"expires=" + exp.toGMTString() + ";" +"path=/";
}

function delCookie(name) {   // expires ist abgelaufen
  var now = new Date();
  var exp = new Date(now.getTime() - 1);
  document.cookie = name+"=;"+"expires="+exp.toGMTString()+";"+"path=/";
}

function getCookie(name) {
  var cname = name + "=";
  var dc = document.cookie;
  if (dc.length > 0) {
    var start = dc.indexOf(cname);
    if (start != -1) {
      start += cname.length;
      var stop = dc.indexOf(";", start);
      if (stop == -1) stop = dc.length;
      return unescape(dc.substring(start,stop));
    }
  }
  return null;
}