//
// phpOpenTracker - The Website Traffic and Visitor Analysis Solution
//
// Copyright 2000 - 2005 Sebastian Bergmann. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

//var client_id = 26;

// Taken from http://www.jan-winkler.de/hw/artikel/art_j02.htm

function base64_encode(decStr) {
	var base64s = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
	var bits;
	var dual;
	var i = 0;
	var encOut = '';

	while(decStr.length >= i + 3) {
		bits = (decStr.charCodeAt(i++) & 0xff) <<16 |
		(decStr.charCodeAt(i++) & 0xff) <<8 |
		decStr.charCodeAt(i++) & 0xff;

		encOut += base64s.charAt((bits & 0x00fc0000) >>18) +
		base64s.charAt((bits & 0x0003f000) >>12) +
		base64s.charAt((bits & 0x00000fc0) >> 6) +
		base64s.charAt((bits & 0x0000003f));
	}

	if(decStr.length -i > 0 && decStr.length -i < 3) {
		dual = Boolean(decStr.length -i -1);

		bits = ((decStr.charCodeAt(i++) & 0xff) <<16) |
		(dual ? (decStr.charCodeAt(i) & 0xff) <<8 : 0);

		encOut += base64s.charAt((bits & 0x00fc0000) >>18) +
		base64s.charAt((bits & 0x0003f000) >>12) +
		(dual ? base64s.charAt((bits & 0x00000fc0) >>6) : '=') +
		'=';
	}

	return(encOut);
}

function urlencode_string( estring )
{
    hex = '0123456789ABCDEF';
    encString = '';
    e_char = '';
    e_len = estring.length;
    for( e_i = 0; e_i < e_len; e_i++ )
    {
        e_char = parseInt( estring.charCodeAt( e_i ) );
        encString += '%' + hex.charAt( (e_char >> 4) % 16 ) + hex.charAt( e_char % 16 );
    }
    return encString;
}


var resolution = window.screen.width + 'x' +
window.screen.height + 'x' +
window.screen.colorDepth + 'bit';

var matches = document.getElementsByTagName("script");
var document_url;
var client_id;
for (var i=0; i<matches.length; i++) {
	
	if (matches[i].src && matches[i].src.match(/pmws\.js(\?.*)?$/) ){
		var path = matches[i].src.replace(/pmws\.js(\?.*)?$/,'' );
		var match_string2 = matches[i].src.match(/\?.*cid=([0-9]*)/ );
		client_id = match_string2.length ? match_string2[1] : '';
		var match_string = matches[i].src.match(/\?.*doc=(.*)/ );
		document_url = match_string.length ? match_string[1] : '';
	}
}

//document.write(document_url);
//document.write(client_id);


if (document_url!=''){
	var string = '<img src="http://www.statistik.prima-entwurf.de/pmws.gif?' +
	'client_id='              + client_id + '&' +
	'enc=1'              	  + '&' +
	'raw=1'              	  + '&' +
	'document_url='           + base64_encode(document_url) + '&' +
	'referer='                + base64_encode(document.referrer) + '&' +
	'add_data[]=resolution::' + resolution +
	'" alt="" width="1" height="1" />';
}
else {
	var string = '<img src="http://www.statistik.prima-entwurf.de/pmws.gif?' +
	'client_id='              + client_id + '&' +
	'enc=1'              	  + '&' +
	'document_url='           + base64_encode(document.URL) + '&' +
	'referer='                + base64_encode(document.referrer) + '&' +
	'add_data[]=resolution::' + resolution +
	'" alt="" width="1" height="1" />'

}

document.write(string);