function changeFontsize(changeDir) {
	var curSS = getActiveStyleSheet()
	var up = ''
	var down = ''
	if (curSS == 'smallest'){
		up = 'smaller'
		down = 'smallest'
	}
	if (curSS == 'smaller'){
		up = 'default'
		down = 'smallest'
	}
	if (curSS == 'default'){
		up = 'larger'
		down = 'smaller'
	}
	if (curSS == 'larger'){
		up = 'largest'
		down = 'default'
	}
	if (curSS == 'largest'){
		up = 'largest'
		down = 'larger'
	}

	if (changeDir == '+') {
		setActiveStyleSheet(up)
	}else{
		setActiveStyleSheet(down)
	}
}



function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);





function rolloverOn(curLink){
	if (document.getElementById){
		curLinkTD = curLink.id + '_TD'
		bgcolorMem = document.getElementById(curLinkTD).style.backgroundColor;
		document.getElementById(curLinkTD).style.backgroundColor = '#D5BC29';
	}
}

function rolloverOff(curLink){
	if (document.getElementById){
		curLinkTD = curLink.id + '_TD'
		document.getElementById(curLinkTD).style.backgroundColor = bgcolorMem;
	}
}


//FONT SIZING*****************************

// Heinle's function for retrieving a cookie.
function getCookie(name){
  var cname = name + "=";
  var dc = document.cookie;
  if (dc.length > 0) {
    begin = dc.indexOf(cname);
    if (begin != -1) {
      begin += cname.length;
      end = dc.indexOf(";", begin);
      if (end == -1) end = dc.length;
        return unescape(dc.substring(begin, end));
    }
  }
  return null;
}

// An adaptation of Dorcht's function for setting a cookie.
function setCookie(name, value, expires, path, domain, secure) {
  document.cookie = name + "=" + escape(value) +
  ((expires == null) ? "" : "; expires=" + expires.toGMTString()) +
  ((path == null) ? "" : "; path=" + path) +
  ((domain == null) ? "" : "; domain=" + domain) +
  ((secure == null) ? "" : "; secure");
}

// An adaptation of Dorcht's function for deleting a cookie.
function delCookie (name,path,domain) {
name = "style"
  if (getCookie(name)) {
    document.cookie = name + "=" +
    ((path == null) ? "" : "; path=" + path) +
    ((domain == null) ? "" : "; domain=" + domain) +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
	
  }
}



var firstCall = true;

function BAKchangeFontsize(fSize, increment) {
  if (firstCall) {
    firstCall = false;
    if (increment != "")
      changeFontsize('14', '');
  }
  if (document.getElementsByTagName) {
    tags = new Array ("p", "li", "h1", "h2", "h3", "h4", "h5", "h6", "body","a");
    for (j=0; j<tags.length; j++) {
      var getElement = document.getElementsByTagName(tags[j]);
      var eachElement, currentFontSize, fontIncrease, newFontSize;
      for (i=0; i<getElement.length; i++) {
        eachElement = getElement[i];
        if (increment != "") {
          currentFontSize = parseInt(eachElement.style.fontSize);
          fontIncrease = parseInt(increment);
          newFontSize = currentFontSize + fontIncrease;
          }
        else if (fSize != "")
          newFontSize = parseInt(fSize);
        if (tags[j] == "li")
          eachElement.style.lineHeight = Math.round(newFontSize*1.2) + "px";
        else
          eachElement.style.lineHeight = Math.round(newFontSize*1.1) + "px";
        if (fSize != "") {
          switch(tags[j]) {
          case "h1": newFontSize += 4; break;
          case "h2": newFontSize += 3; break;
          case "h3": newFontSize += 2; break;
          case "h4": newFontSize += 1; break;
          case "h5": newFontSize += 1; break;
          case "h6": newFontSize += 1;
          }
        }
        eachElement.style.fontSize = newFontSize + "px";
        setCookie('fontSize', newFontSize);
      }
    }
  }
}

