/**
 * Brownser cookie handler.
 */
module.exports =
{
	set: function(key, value, days) {
		var strCookie = key + '=' + value + ';';
	
		if (days != undefined) {
			var date = Date.vnNew();
			date.setTime(date.getTime() + days * 86400000);
			strCookie += 'expires=' + date.toGMTString();
		}
	
		document.cookie = strCookie;
	}

	,unset: function(key) {
		this.set(key, '', -1);
	}

	,get: function(key) {
		var cookie = new String(document.cookie);
		var start = cookie.indexOf(key + '=');
	
		if (start != -1) {
			var end;

			start += key.length + 1;
			end = cookie.indexOf(';', start);

			if (end > 0)
				return cookie.substring(start, end);
			else
				return cookie.substring(start);
		}
		
		return null;
	}
	
	,getInt: function(key) {
		var value = this.get(key);
		
		if (value != null)
			return parseInt(value);
		
		return null;
	}
	
	,getFloat: function(key) {
		var value = this.get(key);
		
		if (value != null)
			return parseFloat(value);
		
		return null;
	}

	,check: function(key) {
		return this.get(key) != null;
	}
};