/**
	Three helper functions for working with Cookies
*/

var Cookies = {

	writeCookie : 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=/";
	},

	readCookie : 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;
	},

	eraseCookie : function(name)
	{
		Cookies.writeCookie(name,"",-1);
	},
	
	parseDate : function(date) 
	{
		var day = date.split("/")[0];
		var month = date.split("/")[1];
		var year = date.split("/")[2];
		return new Date(year, month-1, day);
	},

	formatDate : function(date) 
	{
		var m = Cookies.addZero(date.getMonth()+1);
		return Cookies.addZero(date.getDate()) + "/" + m + "/" + date.getFullYear();
	},
	
	addZero : function(d) 
	{
		d = parseInt(d);
		if (d<10) {
			d = ("0" + d);
		}
		return d;
	}
};