var CookieManager = {
	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;
	},
	set : function(name,value,days){
		this.create(name, value, days);
	},
	exists : function(name){
		return ( this.get(name) != null );
	},
	
	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=/";
	},
	destroy : function(name){
		this.set(name, "", -1);
	},
	destroyAll : function(){
		var cookieArray = document.cookie.split("; ")
		for (i = 0; i < cookieArray.length; i++)
			this.destroy(cookieArray[i].split("=")[0]);
	}
}