// {{{ base64_decode
function base64_decode( data ) {
    // Decodes data encoded with MIME base64
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_base64_decode/
    // +       version: 803.2519
    // +   original by: Tyler Akins (http://rumkin.com)
    // *     example 1: base64_decode('S2V2aW4gdmFuIFpvbm5ldmVsZA==');
    // *     returns 1: 'Kevin van Zonneveld'


    var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var o1, o2, o3, h1, h2, h3, h4, bits, i=0, enc='';

    do {  // unpack four hexets into three octets using index points in b64
        h1 = b64.indexOf(data.charAt(i++));
        h2 = b64.indexOf(data.charAt(i++));
        h3 = b64.indexOf(data.charAt(i++));
        h4 = b64.indexOf(data.charAt(i++));

        bits = h1<<18 | h2<<12 | h3<<6 | h4;

        o1 = bits>>16 & 0xff;
        o2 = bits>>8 & 0xff;
        o3 = bits & 0xff;

        if (h3 == 64)      enc += String.fromCharCode(o1);
        else if (h4 == 64) enc += String.fromCharCode(o1, o2);
        else               enc += String.fromCharCode(o1, o2, o3);
    } while (i < data.length);

    return enc;
}// }}}

// {{{ base64_encode
function base64_encode( data ) {
    // Encodes data with MIME base64
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_base64_encode/
    // +       version: 803.2519
    // +   original by: Tyler Akins (http://rumkin.com)
    // +   improved by: Bayron Guevara
    // *     example 1: base64_encode('Kevin van Zonneveld');
    // *     returns 1: 'S2V2aW4gdmFuIFpvbm5ldmVsZA=='

    var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
    var o1, o2, o3, h1, h2, h3, h4, bits, i=0, enc='';

    do { // pack three octets into four hexets
        o1 = data.charCodeAt(i++);
        o2 = data.charCodeAt(i++);
        o3 = data.charCodeAt(i++);

        bits = o1<<16 | o2<<8 | o3;

        h1 = bits>>18 & 0x3f;
        h2 = bits>>12 & 0x3f;
        h3 = bits>>6 & 0x3f;
        h4 = bits & 0x3f;

        // use hexets to index into b64, and append result to encoded string
        enc += b64.charAt(h1) + b64.charAt(h2) + b64.charAt(h3) + b64.charAt(h4);
    } while (i < data.length);

    switch( data.length % 3 ){
        case 1:
            enc = enc.slice(0, -2) + '==';
        break;
        case 2:
            enc = enc.slice(0, -1) + '=';
        break;
    }

    return enc;
}// }}}

function compact ( var_names ) {
    // http://kevin.vanzonneveld.net
    // +   original by: _argos
    // *     example 1: compact('var1', 'var2');
    // *     returns 1: {}
 
    var Index = 0, Matrix = {};
    var process = function ( value ) {
        for ( var i = 0; i < value.length; i++ ) {
            var key_value = value [ i ];
            if ( key_value instanceof Array ) {
                process ( key_value );
            } else {
                if ( typeof window [ key_value ] !== 'undefined' ) {
                    Matrix [ key_value ] = window [ key_value ];
                }
            }
        }
        return true;
    };
 
    process ( arguments );
    return Matrix;
}

// {{{ http_build_query
function http_build_query( formdata, numeric_prefix, arg_separator ) {
    // Generate URL-encoded query string
    // 
    // +    discuss at: http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_http_build_query/
    // +       version: 803.2519
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Legaev Andrey
    // +   improved by: Michael White (http://crestidg.com)
    // *     example 1: http_build_query({ foo: 'bar', baz: 'boom', cow: 'milk', php: 'hypertext processor' }, '', '&amp;');
    // *     returns 1: 'foo=bar&amp;baz=boom&amp;cow=milk&amp;php=hypertext+processor'
    // *     example 2: http_build_query({0: 'foo', 1: 'bar', 2: 'baz', 3: 'boom', cow: 'milk', php :'hypertext processor'}, 'myvar_');
    // *     returns 2: 'myvar_0=foo&myvar_1=bar&myvar_2=baz&myvar_3=boom&cow=milk&php=hypertext+processor'

    var key, use_val, use_key, i = 0, tmp_arr = [];

    if(!arg_separator){
        arg_separator = '&';
    }

    for(key in formdata){
        use_key = encodeURIComponent(key);
        use_val = encodeURIComponent((formdata[key].toString()));
        use_val = use_val.replace(/%20/g, '+');

        if(numeric_prefix && !isNaN(key)){
            use_key = numeric_prefix + i;
        }
        tmp_arr[i] = use_key + '=' + use_val;
        i++;
    }

    return tmp_arr.join(arg_separator);
}// }}}


/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
**/

var Url = {

	// public method for url encoding
	encode : function (string) {
		return escape(this._utf8_encode(string));
	},

	// public method for url decoding
	decode : function (string) {
		return this._utf8_decode(unescape(string));
	},

	// 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;
	}

}

//	rawurlencode 
function rawurlencode(string){
	return Url.encode(string);
}

//	rawurldecode  
function rawurldecode(string){
	return Url.decode(string);
}