function hideMessage(id,curh)
{
	if (curh > 1)
	{
		curh = curh/2;
		document.getElementById(id).style.height = curh+"px";
		window.setTimeout("hideMessage('"+id+"',"+curh+")",50);
	}
	else
	{
		document.getElementById(id).style.display = "none";
		setCookie("alert_"+id,"0",30);
	}
}

function setCookie(c_name,c_value,c_expire)
{
	var exdate = new Date();
	exdate.setDate(exdate.getDate()+c_expire);
	document.cookie = c_name+"="+escape(c_value)+((c_expire==null) ? "" : ";expires="+exdate.toGMTString());
}