function getDomainWithoutWww() {
	var domain = window.location.hostname;
	if (domain.match(/^w+\d\..*/)) { 
		var re = new RegExp(/^w+\d\.(.*)/);
		domain = domain.replace(re, '$1');
	}
	return domain;
}
		
function rollpixCreateCookie(name,value,days, domain, path) {
	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+"; domain="+domain+"; path=" + path;
}

function rollpixReadCookie(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 rollpixEraseCookie(name) {
	createCookie(name,"",-1);
}