function initMenu() {
	$('ul.mainnav ul').hide();
		
	$('td.navEntry a').click(function() {
		var parent = $(this).parents('table');
		if (!parent.next().is('ul'))
			return true;

		var ul = parent.next();
		if (ul.is(':hidden')) {
			$('.mainnav ul:visible').slideUp('normal');
			$('.mainnav ul:visible').removeClass('open');	
			$('.mainnav img.arrow').attr('src', '/intern/pics/arrow_closed.gif');
			ul.slideDown('normal');
			$(parent).find('img.arrow').attr("src", "/intern/pics/arrow_open.gif");
		}
		//return false;
	});
}


function changeFontSize(value) {
 document.getElementsByTagName("body")[0].style.fontSize = value + "px";
 document.getElementsByTagName("h1")[0].style.fontSize = (value+2) + "px";
 if(value == 11) { document.getElementsByTagName("h1")[0].style.fontSize = "15px"; }

  for (var i = 0; i < document.getElementsByTagName("h2").length; i++) {
    document.getElementsByTagName("h2")[i].style.fontSize = (value+1)+ "px";
  }
  for (var i = 0; i < document.getElementsByTagName("p").length; i++) {
    document.getElementsByTagName("p")[i].style.fontSize = value + "px";
  }
  for (var i = 0; i < document.getElementsByTagName("div").length; i++) {
    document.getElementsByTagName("div")[i].style.fontSize = value + "px";
  }
  for (var i = 0; i < document.getElementsByTagName("td").length; i++) {
    document.getElementsByTagName("td")[i].style.fontSize = value + "px";
  }
  for (var i = 0; i < document.getElementsByTagName("a").length; i++) {
    document.getElementsByTagName("a")[i].style.fontSize = value + "px";
  }
  for (var i = 0; i < document.getElementsByTagName("span").length; i++) {
    document.getElementsByTagName("span")[i].style.fontSize = value + "px";
  }
 document.getElementById("slider").style.fontSize = "11px";
 document.cookie = 'size=' + value + ';path=/';
}


function resetFontSize() {
  changeFontSize(11);
  $('#slider').slider({ value: 11 });
  document.cookie = 'size=' + value + ';expires=-1;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;
}