function cookie ()
{
	
}

	cookie.prototype.create = function (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=/";
	}
	
	cookie.prototype.read = function (name)
	{
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		
		for(var i=0;i < ca.length;i++)
		{
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		
		return null;
	}
	
	cookie.prototype.erase = function (name)
	{
		cookie.create(name, "", -1)
		//createCookie(name, "", -1);
	}

var cookie = new cookie();