/* cookies funcs */
var Cookies = {
	set: function(cookieName, cookieContent, cookieExpireTime){
		if (cookieExpireTime>0){
			var expDate=new Date();
			expDate.setTime(expDate.getTime()+cookieExpireTime*1000*60*60);
			var expires=expDate.toGMTString();
			document.cookie=cookieName+"="+escape(cookieContent)+"; path="+escape('/')+"; expires="+expires
		}else{
			document.cookie=cookieName+"="+escape(cookieContent)+"; path="+escape('/')+"";
		}
	},
	get: function(cookieName){
		var ourCookie=document.cookie;
		if (!ourCookie || ourCookie=="")return "";
		ourCookie=ourCookie.split(";");
		var i=0;
		var Cookie;
		while (i<ourCookie.length){
			Cookie=ourCookie[i].split("=")[0];
			if (Cookie.charAt(0)==" ") Cookie=Cookie.substring(1);
			if (Cookie==cookieName) return unescape(ourCookie[i].split("=")[1]);
			i++;
		}
		return "";
	},
	erase: function(cookieName){
		var cookie = Cookies.get(cookieName) || true;
		Cookies.set(cookieName, '', -1);
		return cookie;
	},
	accept: function(){
		if (typeof navigator.cookieEnabled == 'boolean') return navigator.cookieEnabled;
		Cookies.set('_test', '1');
		return (Cookies.erase('_test') = '1');
	}
}

/*
 * Randomly interchange elements
 * if param 'b' is set to 'true', it will shuffle sub- and multisubarrays
 * in their own right, the default value is 'false'
 */
Array.prototype.shuffle = function(b){
	var i = this.length, j, t;
	while(i){
		j = Math.floor((i--) * Math.random());
		t = b && typeof this[i].shuffle !== 'undefined' ? this[i].shuffle() : this[i];
		this[i] = this[j];
		this[j] = t;
	}
	return this;
};

/*
 * trim funcs
 */
Object.extend(String.prototype, {
	LTrim: function(){
		return this.replace(/\s*((\S+\s*)*)/, "$1");
	},
	RTrim: function(){
		return this.replace(/((\s*\S+)*)\s*/, "$1");
	},
	trim: function(){
		return this.LTrim(this.RTrim());
	}
});

/*
 * we need win1251, not that utf stuff
 */
window.encodeURIComponent = function(str){
	var trans = [];
	for (var i = 0x410; i <= 0x44F; i++) trans[i] = i - 0x350; // À-ßà-ÿ
	trans[0x401] = 0xA8; // ¨
	trans[0x451] = 0xB8; // ¸
	var ret = [];
	for (var i = 0; i < str.length; i++){
		var n = str.charCodeAt(i);
		if (typeof trans[n] != 'undefined') n = trans[n];
		if (n <= 0xFF) ret.push(n);
	}
	return escape(String.fromCharCode.apply(null, ret)).replace(/\+/g, '%2B'); // +
}
window.decodeURIComponent = function(str){
	return unescape(str);
}