/*!
 * JavaScript HashCookie Class
 */

function HashCookie(name, duration){
    this.name;
    this.expires;
    this.value = "";
    this.valueHash = new Array();
    this.cookie = document.cookie;
	this.progress = new Array();
	this.productToTease = -1;
	
    this.init = function(name, duration){
        this.name = name;
        this.setDuration(duration);
        this.refresh();
    }
    this.exist = function(){
        if(this.cookie.search(new RegExp(this.name)) < 0)
            return false;
        else
            return true;
    }
    this.refresh = function(){
        if(this.exist())
            this.read();   
        document.cookie = this.name + "=" + Base64.encode(this.value) + this.expires + "; path=/";
    }
    this.setDuration = function(duration){
        var date = new Date();
        date.setTime(date.getTime() + duration);
        this.expires = "; expires=" + date.toGMTString();
    }
    this.read = function(){
        var nameEQ = this.name + "=";
	var ca = this.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 ){
                this.value = Base64.decode(c.substring(nameEQ.length,c.length)); 
                
                var valueArray = this.value.split("|");
                for(j = 0; j < valueArray.length; j++){
                    var val = valueArray[j].split("=");
                    if(val[0] != ""){
                      this.set(val[0], val[1], false);
                    }
                }
            }
	}
    }
    this.set = function(name, value, save){
        if(value)
          this.valueHash[name] = value;
        if(save != false)
          this.save();
    }
    this.get = function(value){
        if(this.valueHash[value] && this.valueHash[value] != ""){
          if(!isNaN(this.valueHash[value]))
            return parseInt(this.valueHash[value]);
          return this.valueHash[value];
        }
        else
          return false;
    }
    this.save = function(){
        this.value = "";
        for(var key in this.valueHash){
          this.value += key + "=" + this.valueHash[key] + "|";
        }
        this.value = this.value.slice(0, this.value.length-1);
        document.cookie = this.name + "=" + Base64.encode(this.value) + this.expires + "; path=/"; 
    }
    this.init(name, duration);
}

/*!
 * Base 64
 */
var Base64 = {
	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;

		input = Base64._utf8_encode(input);

		while (i < input.length) {

			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;

			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}

			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
		}
		return output;
	},

	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

		while (i < input.length) {

			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));

			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;

			output = output + String.fromCharCode(chr1);

			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}
		}
		output = Base64._utf8_decode(output);
		return output;
	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
		}
		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
		}
		return string;
	}
}