// JavaScript Document
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 checkCookie()
{
	x = readCookie('nolenVisit');
	if (x)
		{
			if (x==1)
				{
					document.body.style.backgroundImage = 'url(/images/landing/landing_1_top.jpg)';
				}
			else if(x==2)
				{
					document.body.style.backgroundImage = 'url(/images/landing/landing_2_top.jpg)';
				}
			else if(x==3)
				{
					document.body.style.backgroundImage = 'url(/images/landing/landing_3_top.jpg)';
				}
		}
	else
		{
			document.body.style.backgroundImage = 'url(/images/landing/landing_1_top.jpg)';
			createCookie('nolenVisit',1,365);
		}
}