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Change CSS property onload


I have developed a script that change the font size in css, but only
the attribute "font-size" on the body tag, not change the entire
active stylesheet.

When i click to change the size
<a href="#" title="Change Font Size"

It works fine, but when i try to check the cookie to set the default
font size, it does not work.

The cookie stores the value correctly and i can read the value. The
problem is when i try to change the value:

I have tried also writing this code at the end of the html document
but it doesnt work
<script type="text/javascript">inicializa_fontsize();</script>

What could happen?

window.onload = function inicializa_fontsize() {
var valor=readCookie('fontsizeptgc');

if(valor!=null) {
cambia_font_size(valor); //cambia valor al hacer click pero no
"onload". revisar

function cambia_font_size(valor) {
var tam;
switch(valor) {
case 1:
case 2:
case 3:


function createCookie(name,value,days) {
if (days) {
var date = new Date();
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
return null;

function eraseCookie(name) {

Mar 28 '07 #1
1 5992
Edited >>

It works fine, but when i try to check the cookie to set the default
font size AT ONLOAD, it does not work.

Mar 28 '07 #2

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