function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else 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;
} 


Indicators = new Array('aKlein', 'aMittel', 'aGross');

function setFontIndicators(Indicator) {
	for (i=0;i<Indicators.length;i++) {

		s_fontWeight	 = 'normal';
		s_textDecoration = 'none';

		if (Indicator==Indicators[i]) {
			s_fontWeight	 = 'bold';
			s_textDecoration = 'underline';
		}

		$(Indicators[i]).setStyle({
			fontWeight: s_fontWeight,
			textDecoration: s_textDecoration
		});
	}
}


/* die Funktion SetFontSize benoetigt die Javascript Library "prototype" */
function setFontSize(size) {
	$("content").setStyle({ fontSize: size+"%" });
	createCookie("fontsize", size, 365);
	if ( size == '80' ) setFontIndicators('aKlein');
	if ( size == '100' ) setFontIndicators('aMittel');
	if ( size == '120' || size == '160' ) setFontIndicators('aGross');
}