function getCookie(NameOfCookie)
{

	
	if (document.cookie.length > 0) 
	{ 


		begin = document.cookie.indexOf(NameOfCookie+"="); 
		if (begin != -1) 
		{ 
		begin += NameOfCookie.length+1; 
		end = document.cookie.indexOf(";", begin);
			if (end == -1) 
			end = document.cookie.length;
			return unescape(document.cookie.substring(begin, end)); 
		} 
	}
	return null; 

} 
 


function setCookie(NameOfCookie, value, expiredays) 
{

	var ExpireDate = new Date ();
	ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));

	document.cookie = NameOfCookie + "=" + escape(value) + 
	((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString());
}