function noSpam(where, who) {
	w=(who + '&#64;' + where);
	a=('mailto:' + w);
	document.write(w.link(a));
}

function ns2(where, who, is, a) {
	w=(who + '&#64;' + where);
	i=('<img src="' + is + '" alt="' + a +'" />');
    a=('mailto:' + w);
    document.write(i.link(a));
}

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 setActiveStyleSheet(title) {
    var i, a, main;
    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
            a.disabled = true;
            if (a.getAttribute("title") == title) {
                a.disabled = false;
                createCookie("page_style", title, 365);
            }
        }
    }
}

function getActiveStyleSheet() {
    var i, a;
    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
        if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled)
            return a.getAttribute("title");
    }
    return null;
}

function getPreferredStyleSheet() {
    var i, a;
    for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
        if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title"))
            return a.getAttribute("title");
    }
    return null;
}

window.onload = function(e) {
   var cookie = readCookie("page_style");
   var title = cookie ? cookie : getPreferredStyleSheet();
   setActiveStyleSheet(title);
}

window.onunload = function(e) {
    var title = getActiveStyleSheet();document.alert(title);
    createCookie("page_style", title, 365);
}
