// js includes
/*
    http://www.JSON.org/json2.js
    2008-03-24

    Public Domain.

    NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.

    See http://www.JSON.org/js.html

    This file creates a global JSON object containing three methods: stringify,
    parse, and quote.


        JSON.stringify(value, replacer, space)
            value       any JavaScript value, usually an object or array.

            replacer    an optional parameter that determines how object
                        values are stringified for objects without a toJSON
                        method. It can be a function or an array.

            space       an optional parameter that specifies the indentation
                        of nested structures. If it is omitted, the text will
                        be packed without extra whitespace. If it is a number,
                        it will specify the number of spaces to indent at each
                        level. If it is a string (such as '\t'), it contains the
                        characters used to indent at each level.

            This method produces a JSON text from a JavaScript value.

            When an object value is found, if the object contains a toJSON
            method, its toJSON method will be called and the result will be
            stringified. A toJSON method does not serialize: it returns the
            value represented by the name/value pair that should be serialized,
            or undefined if nothing should be serialized. The toJSON method will
            be passed the key associated with the value, and this will be bound
            to the object holding the key.

            This is the toJSON method added to Dates:

                function toJSON(key) {
                    return this.getUTCFullYear()   + '-' +
                         f(this.getUTCMonth() + 1) + '-' +
                         f(this.getUTCDate())      + 'T' +
                         f(this.getUTCHours())     + ':' +
                         f(this.getUTCMinutes())   + ':' +
                         f(this.getUTCSeconds())   + 'Z';
                }

            You can provide an optional replacer method. It will be passed the
            key and value of each member, with this bound to the containing
            object. The value that is returned from your method will be
            serialized. If your method returns undefined, then the member will
            be excluded from the serialization.

            If no replacer parameter is provided, then a default replacer
            will be used:

                function replacer(key, value) {
                    return Object.hasOwnProperty.call(this, key) ?
                        value : undefined;
                }

            The default replacer is passed the key and value for each item in
            the structure. It excludes inherited members.

            If the replacer parameter is an array, then it will be used to
            select the members to be serialized. It filters the results such
            that only members with keys listed in the replacer array are
            stringified.

            Values that do not have JSON representaions, such as undefined or
            functions, will not be serialized. Such values in objects will be
            dropped; in arrays they will be replaced with null. You can use
            a replacer function to replace those with JSON values.
            JSON.stringify(undefined) returns undefined.

            The optional space parameter produces a stringification of the value
            that is filled with line breaks and indentation to make it easier to
            read.

            If the space parameter is a non-empty string, then that string will
            be used for indentation. If the space parameter is a number, then
            then indentation will be that many spaces.

            Example:

            text = JSON.stringify(['e', {pluribus: 'unum'}]);
            // text is '["e",{"pluribus":"unum"}]'


            text = JSON.stringify(['e', {pluribus: 'unum'}], null, '\t');
            // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'


        JSON.parse(text, reviver)
            This method parses a JSON text to produce an object or array.
            It can throw a SyntaxError exception.

            The optional reviver parameter is a function that can filter and
            transform the results. It receives each of the keys and values,
            and its return value is used instead of the original value.
            If it returns what it received, then the structure is not modified.
            If it returns undefined then the member is deleted.

            Example:

            // Parse the text. Values that look like ISO date strings will
            // be converted to Date objects.

            myData = JSON.parse(text, function (key, value) {
                var a;
                if (typeof value === 'string') {
                    a =
/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
                    if (a) {
                        return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
                            +a[5], +a[6]));
                    }
                }
                return value;
            });


        JSON.quote(text)
            This method wraps a string in quotes, escaping some characters
            as needed.


    This is a reference implementation. You are free to copy, modify, or
    redistribute.

    USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD THIRD PARTY
    CODE INTO YOUR PAGES.
*/

/*jslint regexp: true, forin: true, evil: true */

/*global JSON */

/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
    call, charCodeAt, floor, getUTCDate, getUTCFullYear, getUTCHours,
    getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join, length,
    parse, propertyIsEnumerable, prototype, push, quote, replace, stringify,
    test, toJSON, toString
*/

if (!this.JSON) {

// Create a JSON object only if one does not already exist. We create the
// object in a closure to avoid global variables.

    JSON = function () {

        function f(n) {    // Format integers to have at least two digits.
            return n < 10 ? '0' + n : n;
        }

        Date.prototype.toJSON = function () {

// Eventually, this method will be based on the date.toISOString method.

            return this.getUTCFullYear()   + '-' +
                 f(this.getUTCMonth() + 1) + '-' +
                 f(this.getUTCDate())      + 'T' +
                 f(this.getUTCHours())     + ':' +
                 f(this.getUTCMinutes())   + ':' +
                 f(this.getUTCSeconds())   + 'Z';
        };


        var escapeable = /["\\\x00-\x1f\x7f-\x9f]/g,
            gap,
            indent,
            meta = {    // table of character substitutions
                '\b': '\\b',
                '\t': '\\t',
                '\n': '\\n',
                '\f': '\\f',
                '\r': '\\r',
                '"' : '\\"',
                '\\': '\\\\'
            },
            rep;


        function quote(string) {

// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.

            return escapeable.test(string) ?
                '"' + string.replace(escapeable, function (a) {
                    var c = meta[a];
                    if (typeof c === 'string') {
                        return c;
                    }
                    c = a.charCodeAt();
                    return '\\u00' + Math.floor(c / 16).toString(16) +
                                               (c % 16).toString(16);
                }) + '"' :
                '"' + string + '"';
        }


        function str(key, holder) {

// Produce a string from holder[key].

            var i,          // The loop counter.
                k,          // The member key.
                v,          // The member value.
                length,
                mind = gap,
                partial,
                value = holder[key];

// If the value has a toJSON method, call it to obtain a replacement value.

            if (value && typeof value === 'object' &&
                    typeof value.toJSON === 'function') {
                value = value.toJSON(key);
            }

// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.

            if (typeof rep === 'function') {
                value = rep.call(holder, key, value);
            }

// What happens next depends on the value's type.

            switch (typeof value) {
            case 'string':
                return quote(value);

            case 'number':

// JSON numbers must be finite. Encode non-finite numbers as null.

                return isFinite(value) ? String(value) : 'null';

            case 'boolean':
            case 'null':

// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.

                return String(value);

// If the type is 'object', we might be dealing with an object or an array or
// null.

            case 'object':

// Due to a specification blunder in ECMAScript, typeof null is 'object',
// so watch out for that case.

                if (!value) {
                    return 'null';
                }

// Make an array to hold the partial results of stringifying this object value.

                gap += indent;
                partial = [];

// If the object has a dontEnum length property, we'll treat it as an array.

                if (typeof value.length === 'number' &&
                        !(value.propertyIsEnumerable('length'))) {

// The object is an array. Stringify every element. Use null as a placeholder
// for non-JSON values.

                    length = value.length;
                    for (i = 0; i < length; i += 1) {
                        partial[i] = str(i, value) || 'null';
                    }

// Join all of the elements together, separated with commas, and wrap them in
// brackets.

                    v = partial.length === 0 ? '[]' :
                        gap ? '[\n' + gap + partial.join(',\n' + gap) +
                                  '\n' + mind + ']' :
                              '[' + partial.join(',') + ']';
                    gap = mind;
                    return v;
                }

// If the replacer is an array, use it to select the members to be stringified.

                if (typeof rep === 'object') {
                    length = rep.length;
                    for (i = 0; i < length; i += 1) {
                        k = rep[i];
                        if (typeof k === 'string') {
                            v = str(k, value, rep);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }
                } else {

// Otherwise, iterate through all of the keys in the object.

                    for (k in value) {
                        v = str(k, value, rep);
                        if (v) {
                            partial.push(quote(k) + (gap ? ': ' : ':') + v);
                        }
                    }
                }

// Join all of the member texts together, separated with commas,
// and wrap them in braces.

                v = partial.length === 0 ? '{}' :
                    gap ? '{\n' + gap + partial.join(',\n' + gap) +
                              '\n' + mind + '}' :
                          '{' + partial.join(',') + '}';
                gap = mind;
                return v;
            }
        }


// Return the JSON object containing the stringify, parse, and quote methods.

        return {
            stringify: function (value, replacer, space) {

// The stringify method takes a value and an optional replacer, and an optional
// space parameter, and returns a JSON text. The replacer can be a function
// that can replace values, or an array of strings that will select the keys.
// A default replacer method can be provided. Use of the space parameter can
// produce text that is more easily readable.

                var i;
                gap = '';
                indent = '';
                if (space) {

// If the space parameter is a number, make an indent string containing that
// many spaces.

                    if (typeof space === 'number') {
                        for (i = 0; i < space; i += 1) {
                            indent += ' ';
                        }

// If the space parameter is a string, it will be used as the indent string.

                    } else if (typeof space === 'string') {
                        indent = space;
                    }
                }

// If there is no replacer parameter, use the default replacer.

                if (!replacer) {
                    rep = function (key, value) {
                        if (!Object.hasOwnProperty.call(this, key)) {
                            return undefined;
                        }
                        return value;
                    };

// The replacer can be a function or an array. Otherwise, throw an error.

                } else if (typeof replacer === 'function' ||
                        (typeof replacer === 'object' &&
                         typeof replacer.length === 'number')) {
                    rep = replacer;
                } else {
                    throw new Error('JSON.stringify');
                }

// Make a fake root object containing our value under the key of ''.
// Return the result of stringifying the value.

                return str('', {'': value});
            },


            parse: function (text, reviver) {

// The parse method takes a text and an optional reviver function, and returns
// a JavaScript value if the text is a valid JSON text.

                var j;

                function walk(holder, key) {

// The walk method is used to recursively walk the resulting structure so
// that modifications can be made.

                    var k, v, value = holder[key];
                    if (value && typeof value === 'object') {
                        for (k in value) {
                            if (Object.hasOwnProperty.call(value, k)) {
                                v = walk(value, k);
                                if (v !== undefined) {
                                    value[k] = v;
                                } else {
                                    delete value[k];
                                }
                            }
                        }
                    }
                    return reviver.call(holder, key, value);
                }


// Parsing happens in three stages. In the first stage, we run the text against
// regular expressions that look for non-JSON patterns. We are especially
// concerned with '()' and 'new' because they can cause invocation, and '='
// because it can cause mutation. But just to be safe, we want to reject all
// unexpected forms.

// We split the first stage into 4 regexp operations in order to work around
// crippling inefficiencies in IE's and Safari's regexp engines. First we
// replace all backslash pairs with '@' (a non-JSON character). Second, we
// replace all simple value tokens with ']' characters. Third, we delete all
// open brackets that follow a colon or comma or that begin the text. Finally,
// we look to see that the remaining characters are only whitespace or ']' or
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval.

                if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@').
replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {

// In the second stage we use the eval function to compile the text into a
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity
// in JavaScript: it can begin a block or an object literal. We wrap the text
// in parens to eliminate the ambiguity.

                    j = eval('(' + text + ')');

// In the optional third stage, we recursively walk the new structure, passing
// each name/value pair to a reviver function for possible transformation.

                    return typeof reviver === 'function' ?
                        walk({'': j}, '') : j;
                }

// If the text is not JSON parseable, then a SyntaxError is thrown.

                throw new SyntaxError('JSON.parse');
            },

            quote: quote
        };
    }();
}


LazyLoad=function(){var f=document,g,b={},e={css:[],js:[]},a;function j(l,k){var m=f.createElement(l),d;for(d in k){if(k.hasOwnProperty(d)){m.setAttribute(d,k[d])}}return m}function h(d){var l=b[d];if(!l){return}var m=l.callback,k=l.urls;k.shift();if(!k.length){if(m){m.call(l.scope||window,l.obj)}b[d]=null;if(e[d].length){i(d)}}}function c(){if(a){return}var k=navigator.userAgent,l=parseFloat,d;a={gecko:0,ie:0,opera:0,webkit:0};d=k.match(/AppleWebKit\/(\S*)/);if(d&&d[1]){a.webkit=l(d[1])}else{d=k.match(/MSIE\s([^;]*)/);if(d&&d[1]){a.ie=l(d[1])}else{if((/Gecko\/(\S*)/).test(k)){a.gecko=1;d=k.match(/rv:([^\s\)]*)/);if(d&&d[1]){a.gecko=l(d[1])}}else{if(d=k.match(/Opera\/(\S*)/)){a.opera=l(d[1])}}}}}function i(r,q,s,m,t){var n,o,l,k,d;c();if(q){q=q.constructor===Array?q:[q];if(r==="css"||a.gecko||a.opera){e[r].push({urls:[].concat(q),callback:s,obj:m,scope:t})}else{for(n=0,o=q.length;n<o;++n){e[r].push({urls:[q[n]],callback:n===o-1?s:null,obj:m,scope:t})}}}if(b[r]||!(k=b[r]=e[r].shift())){return}g=g||f.getElementsByTagName("head")[0];q=k.urls;for(n=0,o=q.length;n<o;++n){d=q[n];if(r==="css"){l=j("link",{href:d,rel:"stylesheet",type:"text/css"})}else{l=j("script",{src:d})}if(a.ie){l.onreadystatechange=function(){var p=this.readyState;if(p==="loaded"||p==="complete"){this.onreadystatechange=null;h(r)}}}else{if(r==="css"&&(a.gecko||a.webkit)){setTimeout(function(){h(r)},50*o)}else{l.onload=l.onerror=function(){h(r)}}}g.appendChild(l)}}return{css:function(l,m,k,d){i("css",l,m,k,d)},js:function(l,m,k,d){i("js",l,m,k,d)}}}();

var OWA = {

	items: new Object,
	overlay: '',
	config: new Object,
	overlayActive: false,
	setSetting: function(name, value) {
		this.config[name] = value;
	},
	
	getSetting: function(name) {
		return this.config[name];
	},
	
	debug: function() {
		
		var debugging = OWA.getSetting('debug') || false; // or true
		
		if (debugging) {
			
			if(window.console && window.console.firebug) { 
		 		console.log.apply(this, arguments);
			}
		}
	},
	setApiEndpoint : function (endpoint) {
		this.config['api_endpoint'] = endpoint;
	},
	
	getApiEndpoint : function() {
		return this.config['api_endpoint'] || this.getSetting('baseUrl') + 'action.php';
	},
	
	loadHeatmap: function(p) {
		var that = this;
		OWA.util.loadScript(OWA.getSetting('baseUrl')+'/modules/base/js/includes/jquery/jquery-1.3.2.min.js', function(){});
		OWA.util.loadCss(OWA.getSetting('baseUrl')+'/modules/base/css/owa.overlay.css', function(){});
		OWA.util.loadScript(OWA.getSetting('baseUrl')+'/modules/base/js/owa.heatmap.js', function(){
			that.overlay = new OWA.heatmap();
			//hm.setParams(p);
			//hm.options.demoMode = true;
			that.overlay.options.liveMode = true;
			that.overlay.generate();
		});	
	},
	
	loadPlayer: function() {
		var that = this;
		OWA.debug("Loading Domstream Player");
		OWA.util.loadScript(OWA.getSetting('baseUrl')+'/modules/base/js/includes/jquery/jquery-1.3.2.min.js', function(){});
		OWA.util.loadCss(OWA.getSetting('baseUrl')+'/modules/base/css/owa.overlay.css', function(){});
		OWA.util.loadScript(OWA.getSetting('baseUrl')+'/modules/base/js/owa.player.js', function(){
			that.overlay = new OWA.player();	
		});	
	},
	
	startOverlaySession: function(p) {
		
		// set global is overlay actve flag
		OWA.overlayActive = true;
		
	    // get param from cookie	
		var params = OWA.util.parseCookieStringToJson(p);
		// evaluate the action param
		if (params.action === 'loadHeatmap') {
			this.loadHeatmap(p);
		} else if (params.action === 'loadPlayer') {
			this.loadPlayer(p);
		}
		
	},
	
	endOverlaySession : function() {
				
		OWA.util.eraseCookie('owa_overlay');
		OWA.overlayActive = false;
		window.location.href = document.location;
	}


}


OWA.util =  {

	ns: function(string) {
	
		return OWA.config.ns + string;
	
	},
	
	nsAll: function(obj) {
	
		var nsObj = new Object();
		
		for(param in obj) {  // print out the params
	    	if (obj.hasOwnProperty(param)) {
	    		nsObj[OWA.config.ns+param] = obj[param];
	    	}
		}
		
		return nsObj;
    },
    
    getScript: function(file, path) {
    
    	jQuery.getScript(path + file);
    	
    	return;
    
    },
    
    makeUrl: function(template, uri, params) {
		var url = jQuery.sprintf(template, uri, jQuery.param(OWA.util.nsAll(params)));
		//alert(url);
		return url;
	},
	
	createCookie: 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=/";
	},
	
	dt_setcookie: function (name, value, expirydays) {
	    var expiry = new Date();
	    expiry.setDate(expiry.getDate() + expirydays);
	    document.cookie = name+"="+escape(value)+";expires="+expiry.toGMTString();
	    console.log(document.cookie);
	    return document.cookie;
	},
	
	setCookie2: function (name,value,days,path,domain,secure) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		
		document.cookie = name + "=" + escape (value) +
	    ((days) ? "; expires=" + date.toGMTString() : "") +
	    ((path) ? "; path=" + path : "") +
	    ((domain) ? "; domain=" + domain : "") +
	    ((secure) ? "; secure" : "");
	},

	readCookie: 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;
	},
	
	
	eraseCookie: function (name) {
		//OWA.debug(this.readCookie('owa_overlay'));
		
		var domain = OWA.getSetting('cookie_domain') || document.domain;
		OWA.debug("erasing " + name + " in domain: " +domain);
		this.setCookie2(name,"",-1,"/",domain);
		var test = this.readCookie(name);
		
		if (test) {
			domain = "."+domain;
			OWA.debug("erasing " + name + " in domain: " +domain);
			this.setCookie2(name,"",-1,"/",domain);	
		}
		
	},
	
	loadScript: function (url, callback){

	       return LazyLoad.js(url, callback);
	},

	loadCss: function (url, callback){

	    return LazyLoad.css(url, callback);
	},
	
	parseCookieString: function parseQuery(v) {
		var queryAsAssoc = new Array();
		var queryString = unescape(v);
		var keyValues = queryString.split("|||");
		//alert(keyValues);
		for (var i in keyValues) {
			if (keyValues.hasOwnProperty(i)) {
				var key = keyValues[i].split("=>");
				queryAsAssoc[key[0]] = key[1];
			}
			//alert(key[0] +"="+ key[1]);
		}
		
		return queryAsAssoc;
	},
	
	parseCookieStringToJson: function parseQuery(v) {
		var queryAsObj = new Object;
		var queryString = unescape(v);
		var keyValues = queryString.split("|||");
		//alert(keyValues);
		for (var i in keyValues) {
			if (keyValues.hasOwnProperty(i)) {
				var key = keyValues[i].split("=>");
				queryAsObj[key[0]] = key[1];
				//alert(key[0] +"="+ key[1]);
			}
		}
		//alert (queryAsObj.period);
		return queryAsObj;
	},
	
	nsParams: function(obj) {
		var new_obj = new Object;
		
		for(param in obj) {
			if (obj.hasOwnProperty(param)) {
				new_obj['owa_'+ param] = obj[param];
			}
		}
		
		return new_obj;
	},
	
	urlEncode : function(str) {
		 str = (str+'').toString();
    
    	// Tilde should be allowed unescaped in future versions of PHP (as reflected below), but if you want to reflect current
    	// PHP behavior, you would need to add ".replace(/~/g, '%7E');" to the following.
    	return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/%20/g, '+').replace(/~/g, '%7E');
	},
	
	parseUrlParams : function(url) {
		
		var _GET = {};
		for(var i,a,m,n,o,v,p=location.href.split(/[?&]/),l=p.length,k=1;k<l;k++)
			if( (m=p[k].match(/(.*?)(\..*?|\[.*?\])?=([^#]*)/)) && m.length==4){
				n=decodeURI(m[1]).toLowerCase(),o=_GET,v=decodeURI(m[3]);
				if(m[2])
					for(a=decodeURI(m[2]).replace(/\[\s*\]/g,"[-1]").split(/[\.\[\]]/),i=0;i<a.length;i++)
						o=o[n]?o[n]:o[n]=(parseInt(a[i])==a[i])?[]:{}, n=a[i].replace(/^["\'](.*)["\']$/,"$1");
						n!='-1'?o[n]=v:o[o.length]=v;
			}
		
		return _GET;
	}
}






//
// Open Web Analytics - An Open Source Web Analytics Framework
//
// Copyright 2006 Peter Adams. All rights reserved.
//
// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
//
// 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.
//
// $Id$
//

/**
 * Javascript Tracker Library
 * 
 * @author      Peter Adams <peter@openwebanalytics.com>
 * @copyright   Copyright &copy; 2006 Peter Adams <peter@openwebanalytics.com>
 * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
 * @category    owa
 * @package     owa
 * @version		$Revision$	      
 * @since		owa 1.2.1
 */
 

OWA.event = function() {
	this.properties = new Object();
}

OWA.event.prototype = {
	
	id : '',
	
	siteId : '',
	
	properties : '',
	
	get : function(name) {
		
		return this.properties[name];
	},
	
	set : function(name, value) {
		
		this.properties[name] = value;
		return;
	},
	
	setEventType : function(event_type) {
		this.set("event_type", event_type);
		return;
	},
	
	getProperties : function() {
		
		return this.properties;
	},
	
	merge : function(properties) {
		
		for(param in properties) {
			
			if (properties.hasOwnProperty(param)) {
	       
				this.set(param, properties[param]);
			}
	    }

	}

}


OWA.tracker = function(caller_params, options) {
	
	// check to see if overlay sesson is active
	var p = OWA.util.readCookie('owa_overlay');

	if (p) {
		// pause tracker so we dont log anything during an overlay session
		this.pause();
		// start overlay session
		OWA.startOverlaySession(p);
		//return
		//return;
	}
		
	this.setEndpoint(OWA.config.baseUrl + 'log.php');
	this.page = new OWA.event();
	this.startTime = this.getTimestamp();
    this.page.set('page_url', document.URL);
	this.setPageTitle(document.title);
	this.page.set("referer", document.referrer);
	
	
	/*
if (options.length > 0) {
		for(param in options) {
			
			if (options.hasOwnProperty(param)) {
	       
				this.options[param] = options[param];
			}
	    }
	}
*/
	if (typeof owa_params != 'undefined') {
		// merge page params from the global object if it exists
		if (owa_params.length > 0) {
			this.page.merge(owa_params);
		}
	}
		
	// merge page params from map passed into the constructor
	if (typeof caller_params != 'undefined') {
		this.page.merge(caller_params);
	}	
}

OWA.tracker.prototype = {

	id : '',
	siteId : '',
	init: 0,
	/**
	 * Time When logger is loaded
	 */
	startTime: null,
	endTime: null,
	/**
	 * Active status of logger
	 */
	active: true,
	/**
	 * Endpoint URl of logger service
	 */
	endpoint : '',
	/**
	 * Configuration options
	 */
	options : {
		logClicks: true, 
		logPage: true, 
		logMovement: false, 
		encodeProperties: true, 
		movementInterval: 100,
		logDomStreamPercentage: 50,
		domstreamEventThreshold: 5
	},
	/**
	 * DOM stream Event Binding Methods
	 */ 
	streamBindings : ['bindMovementEvents', 'bindScrollEvents','bindKeypressEvents', 'bindClickEvents'],
	/**
	 * Page view event
	 */
	page : '',
	/**
	 * Latest click event
	 */
	click : '',
	/**
	 * Latest Movement Event
	 */
	movement : '',
	/**
	 * Latest Keystroke Event
	 */
	keystroke : '',
	/**
	 * Latest Hover Event
	 */
	hover : '',
	
	last_event : '',
	last_movement : '',
	/**
	 * DOM Stream Event Queue
	 */
	event_queue : new Array(),
	player: '',
	overlay: '',
	
	/**
	 * Convienence method for seting page title
	 */
	setPageTitle: function(title) {
		
		this.page.set("page_title", title);
	},
	
	/**
	 * Convienence method for seting page type
	 */
	setPageType : function(type) {
		
		this.page.set("page_type", type);
	},
	
	/**
	 * Sets the siteId to be appended to all logging events
	 */
	setSiteId : function(site_id) {
		this.siteId = site_id;
	},
	
	/**
	 * Convienence method for getting siteId of the logger
	 */
	getSiteId : function() {
		return this.siteId;
	},
	
	setEndpoint : function (endpoint) {
		this.endpoint = endpoint;
	},
	
	getEndpoint : function() {
		return this.endpoint;
	},
	
	/**
	 * Logs a page view event
	 */
	trackPageView : function(url) {
		
		if (url) {
			this.page.set('page_url', url);
		}
		
		this.page.setEventType("base.page_request");	
		return this.logEvent(this.page.getProperties());
	},
	
	trackAction : function(action_group, action_name, action_label, numeric_value) {
		
		var event = new OWA.event;
		
		event.setEventType('track.action');
		event.set('site_id', this.getSiteId());
		event.set('page_url', this.page.get('page_url'));
		event.set('action_group', action_group);
		event.set('action_name', action_name);
		event.set('action_label', action_label);
		event.set('numeric_value', numeric_value);
		this.logEventAjax(event, 'POST');
		OWA.debug("Action logged");
	},
	
	logDomStream : function() {
    	
    	if (this.event_queue.length > this.options.domstreamEventThreshold) {
    	
			var event = new OWA.event;
			event.setEventType('dom.stream');
			event.set('site_id', this.getSiteId());
			event.set('page_url', this.page.get('page_url'));
			event.set('timestamp', this.startTime);
			event.set('duration', this.getElapsedTime());
			event.set('stream_events', JSON.stringify(this.event_queue));
			//console.log('Stream: %s', JSON.stringify(this.event_queue));
			this.logEventAjax(event, 'POST');
			OWA.debug("Domstream logged");
			
		} else {
			OWA.debug("Domstream had too few events to log");
		}
	},
	
	/**
	 * Deprecated
	 */
	log : function() {
    	this.page.setEventType("base.page_request");
    	return this.logEvent(this.page);
    },
    
    /**
     * Logs event asyncronously using AJAX GET
     */
    logEventAjax : function (event, method) {
    	if (this.active) {
    		
    		if (event instanceof OWA.event) { 
	    		var properties = event.getProperties(); 
	    	} else {
	    		var properties = event;
	    	}
	    	
	    	method = method || 'GET';
	    	
	    	if (method === 'GET') {
	    		return this.ajaxGet(properties);
	    	} else {
	    		this.ajaxPost(properties);
	    		return;
	    	}
    		
    	}
    	
    	
    },
    
    isObjectType : function(obj, type) {
    	return !!(obj && type && type.prototype && obj.constructor == type.prototype.constructor);
	},

    
    /**
     * Gets XMLHttpRequest Object
     */
    getAjaxObj : function() {
    
    	if (window.XMLHttpRequest){
			// If IE7, Mozilla, Safari, etc: Use native object
			var ajax = new XMLHttpRequest()
		} else {
			
			if (window.ActiveXObject){
		          // ...otherwise, use the ActiveX control for IE5.x and IE6
		          var ajax = new ActiveXObject("Microsoft.XMLHTTP"); 
			}
	
		}
		return ajax;
    },
    
    ajaxGet : function(properties) {
    	
    	var url = this._assembleRequestUrl(properties);
		var ajax = this.getAjaxObj();
		ajax.open("GET", url, false); 
		ajax.send(null);
    },
    
    /**
     * AJAX POST Request
     */
    ajaxPost : function(properties) {
    	
    	var ajax = this.getAjaxObj();
	    var params = this.prepareRequestParams(properties);
	    
		ajax.open("POST", this.getEndpoint(), false); 
		//Send the proper header information along with the request
		ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		ajax.setRequestHeader("Content-length", params.length);
		ajax.setRequestHeader("Connection", "close");
		
		ajax.onreadystatechange = function() {//Call a function when the state changes.
			if(ajax.readyState == 4 && ajax.status == 200) {
				//console.log("ajax response: %s", ajax.responseText);
			}
		}

		ajax.send(params);
    	
    },
    
    prepareRequestParams : function(properties) {
    
  		var get = '';
    	
    	// append site_id to properties
    	properties.site_id = this.getSiteId();
    	
    	//assemble query string
	    for(param in properties) {  // print out the params
	       
			value = '';
			
			if (properties.hasOwnProperty(param)) {
	  		//if (typeof properties[param] != 'undefined') {
    			
    			// check to see if we should base64 encode the properties
    			if (this.getOption('encodeProperties')) {
    				value = this._base64_encode(properties[param]+'');
    			} else {
    				value = properties[param]+'';
    			}
    			
    			//value = Url.encode(value);
    	
	    	} else {
    	
    			value = '';
    	
    		}
       
    		get += "owa_" + param + "=" + value + "&";
		}
		
		return get;
    },
    

    /** 
     * Logs event by inserting 1x1 pixel IMG tag into DOM
     */
    logEvent : function (properties) {
    	
    	if (this.active) {
    	
	    	var bug
	    	var url
	    
	    	url = this._assembleRequestUrl(properties);
	
		   	bug = "<img src=\"" + url + "\" height=\"1\" width=\"1\">";
		    
		   	document.write(bug);
		}
    },
    
    /**
     * Private method for helping assemble request params
     */
    _assembleRequestUrl : function(properties) {
    
    	// append site_id to properties
    	properties.site_id = this.getSiteId();
    	var get = this.prepareRequestParams(properties);
    	
    	var log_url = this.getEndpoint();
    	
    	if (log_url.indexOf('?') === -1) {
    		log_url += '?';
    	} else {
    		log_url += '&';
    	}
    	    	
		// add some radomness for cache busting
		return log_url + get;
    },
    
    _base64_encode : function(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);
	},
		
	
	getViewportDimensions : function() {
	
		var viewport = new Object();
		viewport.width = window.innerWidth ? window.innerWidth : document.body.offsetWidth;
		viewport.height = window.innerHeight ? window.innerHeight : document.body.offsetHeight;
		return viewport;
	},
	
	/**
	 * Sets the X coordinate of where in the browser the user clicked
	 *
	 */
	findPosX : function(obj) {
	
		var curleft = 0;
		if (obj.offsetParent)
		{
			while (obj.offsetParent)
			{
				curleft += obj.offsetLeft
				obj = obj.offsetParent;
			}
		}
		else if (obj.x)
			curleft += obj.x;
		return curleft;
	},
	
	/**
	 * Sets the Y coordinates of where in the browser the user clicked
	 *
	 */
	findPosY : function(obj) {
	
		var curtop = 0;
		if (obj.offsetParent)
		{
			while (obj.offsetParent)
			{
				curtop += obj.offsetTop
				obj = obj.offsetParent;
			}
		}
		else if (obj.y)
			curtop += obj.y;
		return curtop;
	},
	
	/**
	 * Get the HTML elementassociated with an event
	 *
	 */
	_getTarget : function(e) {
	
	    // Determine the actual html element that generated the event
		//if (this.e.target) {
		//   this.targ = this.e.target;
		   
	    //} else if (this.e.srcElement) {
	    //     this.targ = this.e.srcElement;
	    // }
	   
	    targ = e.target || e.srcElement;
	    
		if (targ.nodeType == 3) {
		    // defeat Safari bug
	        targ = target.parentNode;
	    }
	    
	    return targ;
	},
	
	/**
	 * Sets coordinates of where in the browser the user clicked
	 *
	 */
	getCoords : function(e) {
		
		var coords = new Object();
		
	    if ( typeof( e.pageX ) == 'number' ) {
	    	coords.x = e.pageX + '';
	        coords.y = e.pageY + '';
	    } else {
	        coords.x = e.clientX + '';
	        coords.y = e.clientY + '';
	    }
		
	    return coords;
	},
	
	/**
	 * Sets the tag name of html eleemnt that generated the event
	 */
	getDomElementProperties : function(targ) {
		
		var properties = new Object();
	    // Set properties of the owa_click object.
	    properties.dom_element_tag = targ.tagName;
	    
	    if (targ.tagName == "A") {
	    
	        if (targ.textContent != undefined) {
	             properties.dom_element_text = targ.textContent;
	        } else {
	             properties.dom_element_text = targ.innerText;
	        }
	        
	        properties.target_url =  targ.href;
	        
	    }
	    
	    else if (targ.tagName == "INPUT") {
	    
	        properties.dom_element_text = targ.value;
	    }
	    
	    else if (targ.tagName == "IMG") {
	    
	        properties.target_url = targ.parentNode.href;
	        properties.dom_element_text = targ.alt;
	    }
	    
	    else {
	    
	    	//properties.target_url = targ.parentNode.href || null;
	    	
	        if (targ.textContent != undefined) {
	             //properties.html_element_text = targ.textContent;
	             properties.html_element_text = '';
	        } else {
	            //properties.html_element_text = targ.innerText;
	            properties.html_element_text = '';
	        }
	    }
	
	    return properties;
	},
	
	bindClickEvents : function() {
		var that = this;
		document.onclick = function (e) {that.clickEventHandler(e);}
	},
	
	clickEventHandler : function(e) {
		
		// hack for IE7
		e = e || window.event;
		
		var click = new OWA.event();
		// set event type	
		click.setEventType("dom.click");
		
		//clicked DOM element properties
	    var targ = this._getTarget(e);
	    click.set("dom_element_name", targ.name);
	    click.set("dom_element_value", targ.value);
	    click.set("dom_element_id", targ.id);
	    click.set("dom_element_tag", targ.tagName);
	    click.set("dom_element_class", targ.className);
	    click.set("page_url", window.location.href);
	    // view port dimensions - needed for calculating relative position
	    var viewport = this.getViewportDimensions();
		click.set("page_width", viewport.width);
		click.set("page_height", viewport.height);
		var properties = this.getDomElementProperties(targ);
	    click.merge(this.filterDomProperties(properties));
	    // set coordinates
	    click.set("dom_element_x", this.findPosX(targ) + '');
		click.set("dom_element_y", this.findPosY(targ) + '');
		var coords = this.getCoords(e);
		click.set('click_x', coords.x);
		click.set('click_y', coords.y);
		
		//if all that works then log
		if (this.getOption('logClicksAsTheyHappen')) {
			this.logEventAjax(click);
		}
		// add to event queue is logging dom stream
		if (this.getOption('trackDomStream')) {
			this.addToEventQueue(click)
		}
		
		this.click = click;
		
		return;	
	},
	
	// stub for a filter that will strip certain properties or abort the logging
	filterDomProperties : function(properties) {
		
		return properties;
		
	},
			
	registerBeforeNavigateEvent : function() {
		var that = this;
		// Registers the handler for the before navigate event so that the dom stream can be logged
		if (window.addEventListener) {
			window.addEventListener('beforeunload', function (e) {that.logDomStream(e);}, false);
		} else if(window.attachEvent) {
			window.attachEvent('beforeunload', function (e) {that.logDomStream(e);});
		}
	
	},
	
	callMethod : function(string, data) {
		
		return this[string](data);
	},
	
	addDomStreamEventBinding : function(method_name) {
		this.streamBindings.push(method_name);
	},
	
	trackClicks : function(handler) {
		// flag to tell handler to log clicks as they happen
		this.setOption('logClicksAsTheyHappen', true);
		this.bindClickEvents();
	},
	
	trackDomStream : function() {
		
		// check random number against logging percentage
		var rand = Math.floor(Math.random() * 100 + 1 );
		
		if (rand <= this.getOption('logDomStreamPercentage')) {
			
			// needed by click handler 
			this.setOption('trackDomStream', true);	
			// loop through stream event bindings
			var len=this.streamBindings.length;
			for(var i=0; i<len; i++) {	
			//for (method in this.streamBindings) {
				this.callMethod(this.streamBindings[i]);
			}
			
			this.registerBeforeNavigateEvent();
		} else {
			OWA.debug("not tracking dom stream for this user %d.", 50);
		}
			
		
		
	},
	
	bindMovementEvents : function() {
		
		var that = this;
		document.onmousemove = function (e) {that.movementEventHandler(e);}
	},
		
	movementEventHandler : function(e) {
		
		// hack for IE7
		e = e || window.event;
		var now = this.getTime();
		if (now > this.last_movement + this.getOption('movementInterval')) {
			// set event type	
			this.movement = new OWA.event();
			this.movement.setEventType("dom.movement");
			var coords = this.getCoords(e);
			this.movement.set('cursor_x', coords.x);
			this.movement.set('cursor_y', coords.y);
			this.addToEventQueue(this.movement);
			this.last_movement = now;
		}
		
	},
	
	bindScrollEvents : function() {
		
		var that = this;
		window.onscroll = function (e) {that.scrollEventHandler(e);}
	},
	
	scrollEventHandler : function(e) {
				
		// hack for IE7
		e = e || window.event;
		
		var now = this.getTimestamp();
		
		var event = new OWA.event();
		event.setEventType('dom.scroll');
		var coords = this.getScrollingPosition();
		event.set('x', coords.x);
		event.set('y', coords.y);
		var targ = this._getTarget(e);
		event.set("dom_element_name", targ.name);
	    event.set("dom_element_value", targ.value);
	    event.set("dom_element_id", targ.id);
	    this.addToEventQueue(event);
		this.last_scroll = now;

	},
	
	getScrollingPosition : function() {
	
		var position = [0, 0];
		if (typeof window.pageYOffset != 'undefined') {
			position = {x: window.pageXOffset, y: window.pageYOffset};
		} else if (typeof document.documentElement.scrollTop != 'undefined' && document.documentElement.scrollTop > 0) {
			position = {x: document.documentElement.scrollLeft, y: document.documentElement.scrollTop};
		} else if (typeof document.body.scrollTop != 'undefined') {
			position = {x: document.body.scrollLeft, y:	document.body.scrollTop};
		}
		return position;
	},
	
	bindHoverEvents : function() {
		
		//handler = handler || this.hoverEventHandler;
		//document.onmousemove = handler;

	},
	
	bindFocusEvents : function() {
	
		var that = this;
	
	},
	
	bindKeypressEvents : function() {
		
		var that = this;
		document.onkeypress = function (e) {that.keypressEventHandler(e);}

	},
	
	keypressEventHandler : function(e) {
		var key_code = e.keyCode? e.keyCode : e.charCode
		var key_value = String.fromCharCode(key_code); 
		var event = new OWA.event();
		event.setEventType('dom.keypress');
		event.set('key_value', key_value);
		event.set('key_code', key_code);
		var targ = this._getTarget(e);
		event.set("dom_element_name", targ.name);
	    event.set("dom_element_value", targ.value);
	    event.set("dom_element_id", targ.id);
	    event.set("dom_element_tag", targ.tagName);
	    //console.log("Keypress: %s %d", key_value, key_code);
		this.addToEventQueue(event);
		
	},
		
	getTimestamp : function() {
	
		return Math.round(new Date().getTime()/1000);
	},
	
	getTime : function() {
		return Math.round(new Date().getTime());
	},
	
	getElapsedTime : function() {
		
		return this.getTimestamp() - this.startTime;
	},
	
	getOption : function(name) {
		
		return this.options[name];
	},
	
	setOption : function(name, value) {
		this.options[name] = value;
		return;
	},
	
	setLastEvent : function(event) {
		return;
	},
	
	addToEventQueue : function(event) {
		
		if (this.active && !this.isPausedBySibling()) {
					
			var now = this.getTimestamp();
			
			if (event != undefined) {
				this.event_queue.push(event.getProperties());
				//console.debug("Now logging %s for: %d", event.get('event_type'), now);
			} else {
				//console.debug("No event properties to log");
			}
					
		}
	},
	
	isPausedBySibling: function() {
			
		return OWA.getSetting('loggerPause');
	},
	
	sleep : function(delay) {
    	var start = new Date().getTime();
    	while (new Date().getTime() < start + delay);
	},
	
	pause : function() {
		
		this.active = false;
	},
	
	restart : function() {
		this.active = true;
	},
	
	// Event object Factory
	makeEvent : function() {
		return new OWA.event();
	},
	
	// adds a new Domstream event binding. takes function name
	addStreamEventBinding : function(name) {
		
		this.streamBindings.push(name);
	}	
	
		
}


// invocation
// Set base URL
OWA.setSetting('baseUrl', 'http://www.owa.martini-multimedia.net/');
// Create a tracker
OWATracker = new OWA.tracker(owa_params);
OWATracker.setSiteId(owa_params['site_id']);
OWATracker.trackPageView();
OWATracker.trackClicks();