function setCookie(strCookieName, strValue, strExpireDays)
{
	var datExpireDate=new Date() ;
	datExpireDate.setDate(datExpireDate.getDate() + strExpireDays) ;
	document.cookie = strCookieName + "=" + escape(strValue) + ((strExpireDays == null) ? "" : ";expires=" + datExpireDate.toGMTString()) ;
}

function getCookie(strCookieName)
{
	if (document.cookie.length > 0)
	{
		c_start = document.cookie.indexOf(strCookieName + "=") ;
		if (c_start != -1)
		{
			c_start = c_start + strCookieName.length + 1 ;
			c_end = document.cookie.indexOf(";", c_start) ;
			if (c_end == -1)
			{
				c_end = document.cookie.length ;
			}
			return unescape(document.cookie.substring(c_start, c_end)) ;
		}
	}
	return "" ;
}