function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var 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 eraseCookie(name) {
	createCookie(name,"",-1);
}

function setTheDivStyle() {
if(!readCookie('websitetour')) {
// if cookie not found display the div and create the cookie
document.getElementById("tourcontrols").style.display="block";
createCookie('websitetour', 'websitetour', 365);  // 1 day = 24 hours persistence
}
else {
// if cookie found hide the div
document.getElementById("tourcontrols").style.display="none";
}
}