var days = 1;

function layeradOpen(){
	if (getCookie("layerad") == null){
			document.getElementById("layerad").style.display = "block";
	}
}

function layeradClose(){
    var a = new Date();
	var c = new Date();
    a.setTime(c.getTime() + (days * 60 * 60 * 24 * 1000));
    setCookie("layerad", false, a);    
    layeradHide();
}

function layeradHide(){
	document.getElementById("layerad").style.display = "none";
}

function setCookie(b, c, a){
    document.cookie = escape(b) + "=" + escape(c) + "; path=/" + ((a == null) ? "" : "; expires=" + a.toGMTString())
}

function getCookie(d){
    var c = d + "=";
    var b = document.cookie;
    var e, a;
    if (b.length > 0) {
        e = b.indexOf(c);
        if (e != -1) {
            e += c.length;
            a = b.indexOf(";", e);
            if (a == -1) {
                a = b.length
            }
            return unescape(b.substring(e, a))
        }
    }
    return null
}

layeradOpen();