<a href="index.php" title="Increase size" onclick="changeFontSize(1);return false;">
larger
</a>

<a href="index.php" title="Decrease size" onclick="changeFontSize(-1);return false;">
smaller
</a>

<a href="index.php" title="Revert styles to default" onclick="revertStyles(); return false;">
set default
</a>

<a href="index.php" title="Increase size" onclick="changeFontSize(1);return false;">
<img src="imagewithplussign.png" alt="">
</a>

...

var prefsLoaded = false;
var defaultFontSize = 76;
var currentFontSize = defaultFontSize;

function revertStyles(){

   currentFontSize = defaultFontSize;
   changeFontSize(0);

}

function toggleColors(){
   if(currentStyle == "White"){
      setColor("Black");
   }else{
      setColor("White");
   }
}

function changeFontSize(sizeDifference){
   currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);

   if(currentFontSize > 100){
      currentFontSize = 100;
   }else if(currentFontSize < 60){
      currentFontSize = 60;
   }

   setFontSize(currentFontSize);
};

function setFontSize(fontSize){
   var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area');
   document.body.style.fontSize = fontSize + '%';
   
   //alert (document.body.style.fontSize);
};


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 = setUserOptions;

function setUserOptions(){
   if(!prefsLoaded){

      cookie = readCookie("fontSize");
      currentFontSize = cookie ? cookie : defaultFontSize;
      setFontSize(currentFontSize);
      
      prefsLoaded = true;
   }

}

window.onunload = saveSettings;

function saveSettings()
{
  createCookie("fontSize", currentFontSize, 365);
}

/* SITE LAYOUT */
body {
   margin: 0;
   padding: 0;
   color: #353535;
   background: #FFFFFF;
   font: 11px Arial, Helvetica, sans-serif;
}

body#bd {
   margin: 10px 0;
   background: #585C68;
   text-align: center;
}

#container {
   width: 740px!important;
   width: 760px;
   margin: 0 auto;
   padding: 0 10px;
   background: url(../images/container-bg.gif) #FFFFFF;
   text-align: left;
}

#topnav {
   width: 740px!important;
   width: 760px;
   margin-left: auto;
   margin-right: auto;
   position: relative;
   padding: 0 10px 10px;
   background: url(../images/topnav-bg.gif) repeat-x bottom left #585C68;
   font-size: 12px;
   text-align: left;
}

#header {
   width: 100%;
   position: relative;
}

h1.header-logo {
   font-size: 20px;
   margin: 0;
   padding: 4px 10px;
   background: url(../images/logo.gif) no-repeat 10px 4px;
   height: 40px!important;
   height: 48px;
   z-index: 1;
}

h1.header-logo img {
   visibility: hidden;
}

#main {
   width: 100%;
   position: relative;
}

#leftcol {
   width: 20%;
   float: left;
   margin: 12px 26px 12px 12px;
   display: inline;
   position: relative;
}

#content {
   float: left;
   width: 73%;
   margin: 12px 0 0;
   position: relative;
   clear: right;
}

#footer {
   padding: 12px 6px 6px 0;
   color: #ABABAB;
   background: #353535;
   clear: both;
   text-align: left;
   margin-top: 12px;
}

#copyright {
   padding: 6px 12px 0;
}

#botshad {
   width: 740px!important;
   width: 760px;
   padding: 0 10px;
   margin: 0 auto;
   background: url(../images/bot-shadow.gif) repeat-x bottom left #585C68;
   height: 16px;
}

/* NAVIGATION */
#topnav ul, #footer ul {
   margin: 0;
   padding: 0;
}

#topnav li {
   display: inline;
   background: none;
   padding: 0;
}

#footer li {
   display: inline;
   line-height: normal;
   background: none;
   padding: 0;
}

ul#mainlevel li, ul#mainlevel-nav li {
   padding: 0;
   margin: 0;
   background: none;
}

#topnav a {
   border-right: 1px solid #585C68;
   padding: 0 20px 11px 1px;
   color: #E6E6E6;
   font-weight: bold;
}

#topnav a:hover, #topnav a:active {
   color: #FFFFFF;
   background: url(../images/topnav-bg-2.gif) repeat-x bottom left;
   text-decoration: none;
}

#topnav a#active_menu-top {
   color: #FFFFFF;
   background: url(../images/topnav-bg-2.gif) repeat-x bottom left;
   text-decoration: none;
}

#footer a {
   padding: 0 12px;
   border-right: 1px solid #585C68;
   color: #CCCCCC;
}

#footer a:hover, #footer a:active {
   color: #FFFFFF;
}

#leftcol a.mainlevel {
   padding-left: 12px;
   background: url(../images/arrow.png) no-repeat 0 5px;
}

a.sublevel {
   padding-left: 3px;
}

a.sublevel#active_menu {
   color: #FF6633;
   text-decoration: none;
}

/* LINKS */
a {
   color: #255EA8;
   text-decoration: none;
}

a:hover, a:active {
   color: #B91919;
   text-decoration: underline;
}

a.pagenav {
   font-weight: normal;
}

a.readon {
   padding-right: 6px;
   display: block;
   color: #B91919;
   text-decoration: none;
   text-align: right;
}

a.readon:hover, a.readon:active {
   padding-right: 0;
   color: #B91919;
   text-decoration: none;
}

#user-bar a {
   padding: 0 0 0 4px;
   background: none!important;
}

#spotlight a, #spotlight-1 a, #spotlight-2 a {
   color: #FFFFFF;
   text-decoration: underline;
}

#copyright a {
   padding: 0;
   border: none;
}

/* GENERAL */
textarea {
   padding-left: 2px;
   font: 11px/1.3em Arial, sans-serif;
}

th {
   font-weight: bold;
   font-size: 11px;
   text-align: right;
}

td {
   font-size: 12px;
}

fieldset {
   width: 538px;
   border: 0;
   margin: 0;
   padding: 6px 0 0 0;
   background: url(../images/seperator.gif) repeat-x top left;
}

fieldset a {
   font-weight: bold;
}

form {
   margin: 0;
   padding: 0;
}

h1 {
   margin: 12px 0;
   font-size: 16px;
   color: #666666;
}

h2 {
   margin: 12px 0;
   font-size: 14px;
   color: #666666;
}

h4 {
   margin: 12px 0;
   font-size: 12px;
   font-weight: bold;
   color: #666666;
}

hr {
   border-top: 1px solid #D3CCC2;
   border-right: 0;
   border-left: 0;
   border-bottom: 0;
   height: 1px;
}

input {
   margin-bottom: -1px;
   font: 11px Arial, sans-serif;
}

p {
   margin: 12px 0;
}

select {
   font: 11px Arial, sans-serif;
}

ul {
   margin: 12px;
   padding: 0;
   list-style: none;
}

ul li {
   padding-left: 12px;
   background: url(../images/arrow.png) no-repeat 0 6px;
   line-height: 140%;
}

ol {
   margin: 12px auto;
}

/* JOOMLA STYLE */
div.moduletable {
   width: auto!important;
   width: 100%;
   margin-bottom: 18px;
}

div.moduletable h3 {
   margin: 0 0 6px;
   border-top: 1px solid #F2F2F2;
   border-bottom: 1px solid #F2F2F2;
   color: #666666;
   background: url(../images/h3-bg.gif) #F2F2F2;
   font-size: 16px;
   font-weight: bold;
}

div.moduletable td {
   padding: 3px 0!important;
}

table.contentpaneopen td, table.contentpane td {
   padding: 0 2px 0 0;
   line-height: 140%;
}

table.contentpaneopen, table.contentpane, table.blog {
   width: auto!important;
   border-collapse: collapse;
   border-spacing: 0px;
}

table.moduletable {
   width: 100%;
   background: #FFFFFF;
}

table.moduletable th {
   color: #DC9B44;
   background: none;
   font-weight: bold;
   font-size: 18px;
}

.adminform textarea {
   width: 540px!important; /*Control the Frontend Editor area width*/
}

.adminform textarea.inputbox {
   width: 440px!important; /*Control the Frontend Editor area width*/
}

table.polls {
   padding: 0;
   width: 100%;
   text-align: left;
}

table.pollstableborder {
   padding: 0;
   width: 100%;
   text-align: left;
}

#content table.pollstableborder {
   width: 540px!important;
   text-align: left;
   border: none;
}

table.pollstableborder td {
   padding: 2px 4px!important;
}

table.pollstableborder img {
   vertical-align: middle;
   margin: 4px 4px 4px 0;
}

table.searchintro {
   margin: 10px 0;
   width: 100%;
   background: #F2F2F2;
}

table.searchintro td {
   padding: 0 2px!important;
}

td.buttonheading {
   padding-left: 5px!important;
}

table.contenttoc {
   border: 1px solid #666666;
   margin: 0 0 10px 10px;
   width: 150px;
   background: #F2F2F2;
}

table.contenttoc th {
   padding: 4px 6px;
   background: #666666;
   color: #FFFFFF;
}

table.contenttoc td {
   padding: 1px 6px 1px 16px;
   background: url(../images/arrow.png) no-repeat 5px 7px;
}

.blog_more {
   margin: 10px 0;
   padding: 3px;
}

.button {
   padding: 1px 4px 1px 4px;
   border: 1px solid #CCCCCC;
   margin-bottom: 2px;
   background: #585C68;
   color: #FFFFFF;
   font: 11px Arial, sans-serif;
}

.back_button {
   margin-top: 12px;
   text-align: right;
   display: block;
   width: 100%;
}

.category {
   font-weight: bold;
   font-size: 12px;
}

.code, pre {
   border: 1px solid #F0EEDE;
   width: auto;
   padding: 6px;
   background: #F7F6EE;
   font: 11px Arial, sans-serif;
}

.componentheading {
   padding-bottom: 2px;
   margin-bottom: 12px;
   color: #255EA8;
   background: url(../images/seperator.gif) repeat-x bottom left;
   font-size: 20px;
   font-weight: bold;
}

.contentdescription {
   padding: 0 0 12px!important;
   height: auto;
}

.contentheading {
   color: #666666;
   font-size: 16px;
   font-weight: bold;
}

.createdate {
   color: #666666;
   font-weight: bold;
   padding-bottom: 12px!important;
}

.error {
   color: #B91919;
}

.highlight {
   font-weight: bold;
}

.inputbox {
   padding-left: 2px;
   margin-bottom: 1px;
   font: 11px Arial, sans-serif;
}

.message {
   color: #DE9C31;
   font-weight: bold;
   font-size: 12px;
}

.modifydate {
   color: #666666;
   height: 20px;
}

.moduletable {
   padding: 0;
}

.mosimage {
   padding: 0;
   margin-right: 5px;
}

.mosimage img {
   margin: 0 6px 0 0!important;
   margin: 0 0 0 -6px;
   border: 2px solid #EFEFEF;
}

.mosimage_caption {
   margin-top: 2px;
   color: #999999;
}

.pagenav {
   padding: 2px;
}

.pagenav_prev a, .pagenav_next a {
   color: #666666;
}

.pagenav_prev a:hover, .pagenav_prev a:active, .pagenav_next a:hover, .pagenav_next a:active {
   color: #B91919;
   text-decoration: none;
}

.pagenavbar {
   padding-left: 16px;
   background: url(../images/pages.gif) no-repeat center left;
   font-weight: bold;
}

.pagenavcounter {
   padding: 0 16px 10px 16px;
   color: #666666;
   background: url(../images/pages.gif) no-repeat 0 3px;
   font-weight: bold;
}

tr.sectiontableentry1 td {
   padding: 3px 4px;
}

tr.sectiontableentry2 td {
   padding: 3px 4px;
   background: #F2F2F2;
}

.sectiontableheader {
   padding: 3px 4px!important;
   border-top: 4px solid #FFFFFF;
   background: #666666;
   color: #FFFFFF;
   font-weight: bold;
}

.sectiontableheader a, .sectiontableheader a:hover {
   color: #FFFFFF;
}

.sectiontablefooter {
   padding-bottom: 3px!important;
   background: url(../images/seperator.gif) repeat-x 0 90%;
   height: 20px;
}

.small {
   color: #666666;
}

/* PATHWAY HACKED */
#pathway {
   color: #FFFFFF;
   font-size: 0%;
   line-height: normal!important;
   line-height: 0%;
}

#pathway img {
   visibility: hidden;/* DO NOT SHOW PATHWAY DEFAULT ARROW */
}

#pathway a {
   padding-right: 10px;
   background: url(../images/arrow-off.gif) no-repeat 100% 50%;
   font-size: 11px!important;
}

#pathway a:hover, #pathway a:active {
   background: url(../images/arrow-on.gif) no-repeat 100% 50%;
   text-decoration: none;
}

#search {
   float: right;
   padding: 6px 16px 6px;
   background: url(../images/h3-bg.gif) repeat-y center right;
   position: absolute;
   top: 8px;
   right: 0;
}

.search {
   padding-left: 16px;
   background: url(../images/search-icon.gif) no-repeat center left;
}

/* MIS. */
#user-bar {
   position: absolute;
   right: 12px;
   top: 0;
   height: 10px;
}

#user-bar li, #user-bar ul {
   padding: 0;
   margin: 0;
}

#spotlight {
   background: #76B428;
   color: #FFFFFF;
   text-align: right;
   border-bottom: 1px solid #999999;
   padding: 12px 0;
}

#spotlight div {
   padding: 0;
   margin: 0;
}

#spotlight h3 {
   margin: 0 100px 6px 0;
   border: none;
   color: #FFFFFF;
   background: none;
   font-size: 16px;
}

#spotlight table {
   background: url(../images/spotlight-bg.gif) repeat-y top left #83BD3B;
   color: #FFFFFF;
   text-align: right;
}

#spotlight td {
   padding: 8px 100px 8px 60px!important;
}

#spotlight-1 {
   width: 262px!important;
   width: 264px;
   background: #B91919;
   color: #FFFFFF;
   float: left;
   border: 1px solid #C6C6C6;
}

#spotlight-1 div {
   padding: 6px 12px;
   margin: 0;
   background: url(../images/spotlight-bg-red.gif) repeat-y top left #C12E2E;
}

#spotlight-1 h3 {
   background: #B91919;
   color: #FFFFFF;
   border: none;
   margin: -6px -12px 6px -6px;
   padding: 6px;
}

#spotlight-2 {
   width: 262px!important;
   width: 264px;
   background: #255EA8;
   color: #FFFFFF;
   float: right;
   border: 1px solid #C6C6C6;
}

#spotlight-2 div {
   padding: 6px 12px;
   margin: 0;
   background: url(../images/spotlight-bg-blue.gif) repeat-y top left #386DB2;
}

#spotlight-2 h3 {
   background: #255EA8;
   color: #FFFFFF;
   border: none;
   margin: -6px -12px 6px -6px;
   padding: 6px;
}

#leftcol ul {
   padding: 0;
   margin: 0;
}

body.contentpane {
   margin: 12px;
}

#spotlight .article_seperator {
   display: none;
}

.article_seperator {
   display: block;
   background: url(../images/seperator.gif) repeat-x top left;
}

.clearfix:after {
   clear: both;
   display: block;
   content: ".";
   height: 0;
   visibility: hidden;
}

.clearfix {display: inline-table;}

/* Hides from IE-mac \*/
* html .clearfix {height: 1%;}
.clearfix {display: block;}
/* End hide from IE-mac */

div, p, table, td, th {
   font-size: 1em;
   color: #333;

.contentheading {
   color: #666666;
   font-size: 15px;
   font-weight: bold;

div, p, table, td, th, .contentheading {
   font-size: 1em;
   color: #333;

<script type="text/javascript" language="javascript" src="<?php echo $mosConfig_live_site;?>/templates/TEMPLATE_NAME_HERE/stylechanger.js"></script>

td, tr, p, div {
  font-family       : Arial, Helvetica, sans-serif;
  color             : #666666;
}

<script type="text/javascript" language="javascript" src="<?php echo $mosConfig_live_site;?>/templates/<?php echo $mainframe->getTemplate(); ?>/[b]md_stylechanger.js[/b]"></script>
<a href="index.php" title="Increase size" onclick="changeFontSize(1);return false;">larger</a>