function getCookie (name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg)
return getCookieVal (j);
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return null;
}
function setCookie (name, value) {
var argv = setCookie.arguments;
var argc = setCookie.arguments.length;
var today = new Date();
var expiry = new Date(today.getTime() + 28 * 24 * 60 * 60 * 1000);
document.cookie = name + "=" + escape (value) + "; expires=" + expiry.toGMTString() + "; path=/";
}
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1) endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function selectStyleSheet() {
var display=getCookie('display');
if (display!="default" && display!=null) {
document.write('');
}
}
function setColour(stylesheet) {
setCookie("display",stylesheet);
document.location.reload();
}
function printOptions() {
document.write('
|');
document.write('
|');
document.write('
|');
document.write('
');
}