// JavaScript Document
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 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 checkCookie()
{
	strDomain = 'nolenassoc.com';
	x = readCookie('nolenVisit');
	if (x)
		{
			//alert(document.referrer.indexOf("reason1"));
			if (x==1)
				{
					if(document.referrer.indexOf(strDomain) != -1)
						{
							document.body.style.backgroundImage = 'url(/images/landing/landing_1.jpg)';
						}
					else
						{
							document.body.style.backgroundImage = 'url(/images/landing/landing_2.jpg)';
							createCookie('nolenVisit',2,365);
						}
				}
			else if(x==2)
				{
					if(document.referrer.indexOf(strDomain) != -1)
						{
							document.body.style.backgroundImage = 'url(/images/landing/landing_2.jpg)';
						}
					else
						{				
							document.body.style.backgroundImage = 'url(/images/landing/landing_3.jpg)';
							createCookie('nolenVisit',3,365);
						}
				}
			else if(x==3)
				{
					if(document.referrer.indexOf(strDomain) != -1)
						{
							document.body.style.backgroundImage = 'url(/images/landing/landing_3.jpg)';
						}
					else
						{
							document.body.style.backgroundImage = 'url(/images/landing/landing_1.jpg)';
							createCookie('nolenVisit',1,365);
						}
				}
		}
	else
		{
			document.body.style.backgroundImage = 'url(/images/landing/landing_1.jpg)';
			createCookie('nolenVisit',1,365);
		}
}