function setCookie(sName, sValue, oExpires, sPath, sDomain, bSecure)
{
	var sCookie = sName + "=" + encodeURIComponent(sValue);
	
	if(oExpires){
		sCookie += "; expires=" + oExpires.toUTCString();
	}
	if(sPath){
        sCookie += "; path=" + sPath;
	}
	if(sDomain){
        sCookie += "; domain=" + sDomain;
	}
	if(bSecure){
        sCookie += "; secure=";
	}
	document.cookie = sCookie;
}

function getCookie(sName)
{
	var sRE = "(?:; )?" + sName + "=([^;]*);?";
	var oRE = new RegExp(sRE);
	
	if(oRE.test(document.cookie)){
		return decodeURIComponent(RegExp["$1"]);
	}else{
		return null;
	}
}

function deleteCookie(sName, sPath, sDomain){
	setCookie(sName, "", new Date(0), sPath, sDomain);
}