//FW Resize Font Javascript//
/**
* FW Resize Font Javascript
* @package Joomla
* @copyright Copyright (C) 2006 Futureworkz Pte. Ltd. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*/
function FWresizeFont(resize) {
if (!document.getElementById) {
return;
}
docBody = document.getElementsByTagName('body')[0];
for (i = 0 ; i < tags.length ; i++ ) {		
allTags = docBody.getElementsByTagName(tags[i]);
if (resize > 0) {
for (k = 0 ; k < allTags.length ; k++) {
var size = parseInt(allTags[k].style.fontSize.substring(0,allTags[k].style.fontSize.length-2));
if (size) {
allTags[k].style.fontSize = (size + increment) + 'px';
} else {
allTags[k].style.fontSize = defaultSize + 'px';
}
}			
} else {
for (k = 0 ; k < allTags.length ; k++) {
var size = parseInt(allTags[k].style.fontSize.substring(0,allTags[k].style.fontSize.length-2));
if (size && size > 2) {
allTags[k].style.fontSize = (size - increment) + 'px';
} else {
allTags[k].style.fontSize = defaultSize + 'px';
}
}			
}
}
resize > 0 ? resizeCounter++ : resizeCounter--;
}
function setFontSize(resizeCounter) {
docBody = document.getElementsByTagName('body')[0];
for (i = 0 ; i < tags.length ; i++ ) {		
allTags = docBody.getElementsByTagName(tags[i]);		
for (k = 0 ; k < allTags.length ; k++) {
var size = parseInt(allTags[k].style.fontSize.substring(0,allTags[k].style.fontSize.length-2));
var resize = size + resizeCounter;			
if (!size) {
allTags[k].style.fontSize = (parseInt(defaultSize) + parseInt(resizeCounter)) + 'px';
} else if (size && resize > 0) {
allTags[k].style.fontSize = resize + 'px';
}
}
}
}
function resetFontSize() {
docBody = document.getElementsByTagName('body')[0];
for (i = 0 ; i < tags.length ; i++ ) {		
allTags = docBody.getElementsByTagName(tags[i]);		
for (k = 0 ; k < allTags.length ; k++) {
allTags[k].style.fontSize = defaultSize + 'px';
}
}
resizeCounter = 0;
}
//cookie functions for remember the font sizes across pages
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 setUserOptions(){
cookie = readCookie("FWresizeFont");
if (cookie) {
resizeCounter = cookie;
} else {
return null;
}
setFontSize(resizeCounter);
}
function saveSettings()
{
  createCookie("FWresizeFont", resizeCounter, 365);
}