// FONT WIDGET FUNCTIONS
function writeUtil(){
// writes the utility widget to the screen
document.writeln("Text: larger | smaller |")
}
function changeFontSize(inc)
{
var p = document.getElementsByTagName('body')[0];
if(p.style.fontSize) {
var size = parseFloat(p.style.fontSize.replace("em", ""));
} else {
var size = 1;
}
size+=parseFloat(inc);
size=Math.round(size*100)/100; //ADD THIS FOR ROUNDING ERROR IN IE
if (size >= 0.8 && size <= 1.8) {
p.style.fontSize = size + 'em';
// save size to cookie
storestylepref(size + 'em');
}
}
function parsecookie(){
var cookie_pairs = new Object();
cookie_pairs.names = new Array();
cookie_pairs.values = new Array();
var cookie = document.cookie;
if(cookie == "") { return null; }
var pairs = cookie.split(";");
for(var i = 0; i < pairs.length; i++){
var pos = pairs[i].indexOf('=');
if(pos == -1){ continue; }
var cookie_name = pairs[i].substring(0,pos);
var cookie_value = pairs[i].substring(pos+1);
cookie_pairs.names[i] = cookie_name;
cookie_pairs.values[i] = cookie_value;
}
return cookie_pairs;
}
function getcookieparam(cookie_pairs, name){
if(cookie_pairs == null){ return null; }
var exp = new RegExp(name);
for(var i = 0; i < cookie_pairs.names.length; i++){
var result = exp.exec(cookie_pairs.names[i]);
if(result == name){ return cookie_pairs.values[i]; }
}
}
function storestylepref(pref){
var date = new Date();
date.setTime(date.getTime()+(30*24*60*60*1000));
var expires = "expires="+date.toGMTString();
// set domain cookie
document.cookie = "custom_size=" + pref + ";" + expires + ";path=/";
return;
}
function loadstylepref(){
var pref = getcookieparam(parsecookie(), "custom_size");
if(pref){ var prefs = pref.split(",");
// set size for element
var p = document.getElementsByTagName('body')[0];
p.style.fontSize = prefs[0];
}
return;
}