var activeStyle, sheetCnt = 3;
var cookie = getCookie("activeStyle");
if (cookie) ssheet(cookie);
else activeStyle = 1;
function ssheet(n) {
if (!document.styleSheets) alert("This browser doesn't support style switching.");
else {
var undef,i,s,st,ti;
if (n=='cycle') {
activeStyle++;
if (activeStyle>sheetCnt) activeStyle=1;
}
else activeStyle = n;
st = 'Styl'+activeStyle;
for (i=0; i<document.styleSheets.length; i++) {
s = document.styleSheets[i];
if (s.owningElement) ti = s.owningElement.title;
else ti = s.title;
if ( (!n) || (ti!='' && ti!=undef && ti!=st) ) s.disabled = true;
else s.disabled=false;
}
updateCookie("activeStyle",activeStyle,14);
}
}
function updateCookie(name,value,days) {
var ex = new Date();
ex = new Date(ex.getTime() + 1000 * 60 * 60 * 24 * days);
setCookie(name, value, ex, '/');
}
function setCookie(cookieName, cookieValue, expires, path, domain, secure) {
document.cookie = escape(cookieName) + '=' + escape(cookieValue)
+ (expires ? '; EXPIRES=' + expires.toGMTString() : '')
+ (path ? '; PATH=' + path : '')
+ (domain ? '; DOMAIN=' + domain : '')
+ (secure ? '; SECURE' : '');
}
function getCookie(cookieName) {
var cookieValue = null;
if (document.cookie) {
var posName = document.cookie.indexOf(escape(cookieName) + '=');
if (posName!=-1) {
var posValue = posName + (escape(cookieName) + '=').length;
var endPos = document.cookie.indexOf(';', posValue);
if (endPos!=-1) cookieValue = unescape(document.cookie.substring(posValue,endPos));
else cookieValue = unescape(document.cookie.substring(posValue));
}
}
return cookieValue;
}