/*
 * Copyright (c) ${year}, Inmite s.r.o. (www.inmite.eu).
 *
 * All rights reserved. This source code can be used only for purposes specified
 * by the given license contract signed by the rightful deputy of Inmite s.r.o.
 * This source code can be used only by the owner of the license.
 *
 * Any disputes arising in respect of this agreement (license) shall be brought
 * before the Municipal Court of Prague.
 */


//Prototype.Browser.IE6 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 6;

/**
 * Based on MarkerManager.js
 *
 * Call a function or evaluate an expression after a specified number of
 * milliseconds.
 *
 * Equivalent to the standard window.setTimeout function, but the given
 * function executes as a method of this instance. So the function passed to
 * objectSetTimeout can contain references to this.
 *    objectSetTimeout(this, function () { alert(this.x) }, 1000);
 *
 * @param {Object} object  The target object.
 * @param {Function} command  The command to run.
 * @param {Number} milliseconds  The delay.
 * @return {Boolean}  Success.
 */
function objectSetTimeout(object, command, milliseconds) {
    return window.setTimeout(function () {
        command.call(object);
    }, milliseconds);
};

/**
 * Clears element content.
 *
 * @param el    Element to be cleared.
 */
function clearElement(el) {
    if (el) {
        el.childElements().each(function(it) { el.removeChild(it); });
        el.update('');
    }
}

/**
 * Parses URL params and returns asociative array.
 */
function getUrlParams() {
    if (window.location.search) {
       return parseUrlParams(window.location.search.substr(1));
    } else {
        return false;
    }
}

/**
 * Parses URL params from hash (eg. address like: http://...com/index.html#param1=a&param2=b
 */
function getHashParams() {
    if (window.location.hash) {
        return parseUrlParams(window.location.hash.substr(1));
    } else {
        return false;
    }
}

function parseUrlParams(paramStr) {
// prototype version...    return paramStr.toQueryParams();
    var out = {};

    var items = paramStr.split('&');
    for (var k = 0; k < items.length; k++) {
        var it = items[k].split('=');
        if (it[0] == 'll') {
            out.ll = it[1];
            var ll = it[1].split(',');
            out.lat = ll[0];
            out.lng = ll[1];
        } else if (it[0].match(/[a-zA-Z_]+/)) {
            eval('out.'+it[0]+' = "'+it[1]+'";');
        }
    }

    return out;
}

/**
 * Opens popup according to given options.
 */
var Popup = {
    open: function(options) {
        this.options = {
            url: '#',
            width: 662,
            height: 452,
            name:"_blank",
            location:"no",
            menubar:"no",
            toolbar:"no",
            status:"yes",
            scrollbars:"yes",
            resizable:"yes",
            left:"",
            top:"",
            normal:false
        };
        Object.extend(this.options, options || {});

        if (this.options.normal){
            this.options.menubar = "yes";
            this.options.status = "yes";
            this.options.toolbar = "yes";
            this.options.location = "yes";
        }

        this.options.width = this.options.width < screen.availWidth?this.options.width:screen.availWidth;
        this.options.height=this.options.height < screen.availHeight?this.options.height:screen.availHeight;

        var openoptions = 'width='+this.options.width+',height='+this.options.height+',location='+this.options.location+',menubar='+this.options.menubar+',toolbar='+this.options.toolbar+',scrollbars='+this.options.scrollbars+',resizable='+this.options.resizable+',status='+this.options.status

        if (this.options.top!="") { openoptions+=",top="+this.options.top; }
            else { openoptions+=",top="+parseInt((parseInt(screen.height)/2) - (parseInt(this.options.height)/2)); }
        if (this.options.left!="") { openoptions+=",left="+this.options.left; }
            else { openoptions+=",left="+parseInt((parseInt(screen.width)/2) - (parseInt(this.options.width)/2)); }

        window.open(this.options.url, this.options.name,openoptions );
        return false;
    }
};


/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/

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;
	}

};

/**
 * Analytics tracker helper.
 *
 * @param category  Category of event
 * @param action    Action
 */
function track(category, action) {
    if (pageTracker) {
        pageTracker._trackEvent(category, action);
    }
}