function CookieManager()
{
}
/******************* Functions ********************/
CookieManager.setCookie = cookieManager_SetCookie;
CookieManager.getCookie = cookieManager_GetCookie;
CookieManager.delCookie = cookieManager_DelCookie;
/**************************************************/
function cookieManager_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());
}
function cookieManager_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 cookieManager_DelCookie(NameOfCookie) 
{  
	if (getCookie(NameOfCookie)) 	
		document.cookie = NameOfCookie + "=" + "; expires=Thu, 01-Jan-70 00:00:01 GMT";	
}