// ###########################
// created by: Ben Weeks
// Created Date: 24th March 2008
// Company: webtechy.co.uk
//
// Modified By: 
// Modified Date: 
// Modified Comment: 
//
// Modified By: 
// Modified Date:
// Modified Comment: 
//
// Modified By: 
// Modified Date: 
// Modified Comment: 
//
// Version: 1.0
// ###########################
checkCurrentFontSize();
function ChangeFontSize(iFontSize)
{
try{
if (iFontSize < 2 && iFontSize > 0)
{
document.body.style.fontSize = "0.8em";
eraseCookie("FontSizeValue");
createCookie("FontSizeValue","1","30");
}
if (iFontSize < 3 && iFontSize > 1)
{
document.body.style.fontSize = "1em";
eraseCookie("FontSizeValue");
createCookie("FontSizeValue","2","30");
}
if (iFontSize < 4 && iFontSize > 2)
{
document.body.style.fontSize = "1.2em";
eraseCookie("FontSizeValue");
createCookie("FontSizeValue","3","30");
}
}
catch(er)
{
// Oh well, it didn't work out - better luck next time.
} 
}
function checkCurrentFontSize() // Checks the cookie to see if we need to resize.
{
var iFontSize = parseInt(readCookie("FontSizeValue"));
if (iFontSize > 0 && iFontSize < 4)
{
ChangeFontSize(iFontSize);
}
}
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 var 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);
}