<!--
// This script based on Paul Snowden's work described at <http://www.alistapart.com/stories/alternate/>
// font re-sizing based on work by Eric Meyer
// MF - V0.2
function config(){
var version
version = navigator.userAgent.indexOf('Netscape');
if (version < 5)
  {
     return true;
  }
}
function SetStyleSheet(title) {
  var i, a, main;
  enableDefaultStyleSheet(); // MF - needed to renable default css if disabled
  if (title) {
    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;
}
function eraseCookie(name) {
 createCookie(name,'',-1);
}
function disableAlternateStyleSheets() {
// MF - disable all alternative stylsheets
  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')
    )
    a.disabled = true;
    }
}
function disableStyleSheets() {
// MF - disable all stylesheets - and change font-size to default
  var i, a;
  for(i=0; (a = document.getElementsByTagName('link')[i]); i++) {
    if(a.getAttribute('rel').indexOf('style') != -1
       )
    a.disabled = true;
    }
  resetFontSize();
}
function enableDefaultStyleSheet() {
// MF - enable all non alternate stylsheets
  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.disabled = false;
    }
}
function setDefaultStyleSheet() {
// MF - set the default stylesheet environment
 disableAlternateStyleSheets();
 enableDefaultStyleSheet();
}
function setFontSize(fontVal) {
 var fontSet = document.getElementById('fontSet');
 var docBase = new Array(); docBase = document.getElementsByTagName('body');
 if (!fontVal) {fontVal = document.getElementById('fontSet').value;}
 var docSize = fontVal+'%';
 createCookie('themeFontsize', fontVal, 365);
 docBase[0].style.fontSize = docSize;
 if (fontSet) {fontSet.value = fontVal;}
}
function resetFontSize() {
// MF - reset default font size and remove the font-size cookie
 setFontSize(100);
 eraseCookie('themeFontsize');
}
function resetStyleSheet() {
// MF - to reset to the default style sheet and remove the style cookie
 setDefaultStyleSheet();
 eraseCookie('themeName');
}
window.onload = function(e) {
  config();
  var altCSS = readCookie('themeName');
  SetStyleSheet(altCSS);
  var txtSize = readCookie('themeFontsize');
  if (txtSize) {setFontSize(txtSize);}
}
window.onunload = function(e) {
  var altCSS = getActiveStyleSheet();
  createCookie('themeName', altCSS, 365);
}
//-->