/* Style sheet switcher */

function setCookie(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 getCookie(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;
}

var style;

function setStyleSheet(s) {
    var i;
    for (i = 0; i < document.styleSheets.length; i++) {
        if (document.styleSheets[i].title) {
            document.styleSheets[i].disabled = true;
            if ( document.styleSheets[i].title == s ) {
                document.styleSheets[i].disabled = false;
            }
        }
    }
    style = s;
}

function getStyleSheet() {
    return style;
}