function cookiesEnabled()
{
}
	
function writeCookie(name,value,days)
{
	if(days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires="; expires="+date.toGMTString();
	}
	else var expires="";
	document.cookie=name + "=" + value + expires + "; path=/";
}

function readCookie(name)
{
	regex=new RegExp(name+"=([^;]+)", "i");
	var res=document.cookie.match(regex);
	return (res==null) ? null : res[1];
}

function eraseCookie(name)
{
	writeCookie(name,"",-1);
}