function setCookie(cName, cValue, cExDays) {
	var exDays;
	if(cExDays == null)
		exDays = 365;
	else
		exDays = cExDays;
		
	var exDate = new Date();
	exDate.setDate(exDate.getDate() + exDays);
	var value=escape(cValue) + ((exDays==null) ? "" : "; path=/; expires="+exDate.toUTCString());
	document.cookie=cName + "=" + value;
}

function getCookie(cName) {
	var i,x,y,ARRcookies=document.cookie.split(";");
	for (i = 0; i < ARRcookies.length; i++) {
  		x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
  		y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
  		x=x.replace(/^\s+|\s+$/g,"");
  		if (x == cName)
    		return unescape(y);
  	}
	return null;
}