cookie = {
	add:function(name,value,days){
		var expires = "";
		if (days)
		{
                    var date = new Date();
                    date.setTime(date.getTime()+(days*24*60*60*1000));
                    expires = "; expires="+date.toGMTString();
		}
		document.cookie = name+"="+value+expires+"; path=/ ;";
	},
	get: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;
	},
	del:function(name){
		cookie.add(name,"",-1);
	}
}