/*  Prototype JavaScript framework
 *  (c) 2005 Sam Stephenson <sam@conio.net>
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://prototype.conio.net/
/*--------------------------------------------------------------------------*/

//note: modified & stripped down version of prototype, to be used with moo.fx by mad4milk (http://moofx.mad4milk.net).

var Class = {
	create: function() {
		return function() {
			this.initialize.apply(this, arguments);
		}
	}
}

Object.extend = function(destination, source) {
	for (property in source) destination[property] = source[property];
	return destination;
}

Function.prototype.bind = function(object) {
	var __method = this;
	return function() {
		return __method.apply(object, arguments);
	}
}

Function.prototype.bindAsEventListener = function(object) {
var __method = this;
	return function(event) {
		__method.call(object, event || window.event);
	}
}

function $() {
	if (arguments.length == 1) return get$(arguments[0]);
	var elements = [];
	$c(arguments).each(function(el){
		elements.push(get$(el));
	});
	return elements;

	function get$(el){
		if (typeof el == 'string') el = document.getElementById(el);
		return el;
	}
}

if (!window.Element) var Element = new Object();

Object.extend(Element, {
	remove: function(element) {
		element = $(element);
		element.parentNode.removeChild(element);
	},

	hasClassName: function(element, className) {
		element = $(element);
		if (!element) return;
		var hasClass = false;
		element.className.split(' ').each(function(cn){
			if (cn == className) hasClass = true;
		});
		return hasClass;
	},

	addClassName: function(element, className) {
		element = $(element);
		Element.removeClassName(element, className);
		element.className += ' ' + className;
	},
  
	removeClassName: function(element, className) {
		element = $(element);
		if (!element) return;
		var newClassName = '';
		element.className.split(' ').each(function(cn, i){
			if (cn != className){
				if (i > 0) newClassName += ' ';
				newClassName += cn;
			}
		});
		element.className = newClassName;
	},

	cleanWhitespace: function(element) {
		element = $(element);
		$c(element.childNodes).each(function(node){
			if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) Element.remove(node);
		});
	},

	find: function(element, what) {
		element = $(element)[what];
		while (element.nodeType != 1) element = element[what];
		return element;
	}
});

var Position = {
	cumulativeOffset: function(element) {
		var valueT = 0, valueL = 0;
		do {
			valueT += element.offsetTop  || 0;
			valueL += element.offsetLeft || 0;
			element = element.offsetParent;
		} while (element);
		return [valueL, valueT];
	}
};

document.getElementsByClassName = function(className) {
	var children = document.getElementsByTagName('*') || document.all;
	var elements = [];
	$c(children).each(function(child){
		if (Element.hasClassName(child, className)) elements.push(child);
	});  
	return elements;
}

//useful array functions
Array.prototype.each = function(func){
	for(var i=0;ob=this[i];i++) func(ob, i);
}

function $c(array){
	var nArray = [];
	for (i=0;el=array[i];i++) nArray.push(el);
	return nArray;
}
 defaultPxInEm = 12;
pxInEm = defaultPxInEm;
isIe = false;
isFf = false;


function load() {
	pxInEm = getPxInEm();
	if (navigator.appName.indexOf('Microsoft Internet Explorer') != -1)
		isIe = true; 
	if (navigator.appName.indexOf('Netscape') != -1)
		isFf = true;    		        
	        
	setAutoHeight();
	setAutoWidth(); 
	updateImagesSize();
}

function getPxInEm()
{
    var pxInEm = 0;
    var div = document.createElement("div");     
    div.style.width = "1em";
    div.style.height = "1em";     
    document.body.appendChild(div);
    pxInEm = div.offsetWidth;
    document.body.removeChild(div);
    
    return pxInEm;
}

function setAutoHeight() {

    var elements = document.getElementsByClassName('autoHeight');

    for ( var elementIndex = 0; elementIndex < elements.length; elementIndex++ ) {

        var element = elements[ elementIndex ];        
        element.style.height = ( 1.0 * element.parentNode.offsetHeight / pxInEm ) + 'em';    
    }
}

function setAutoWidth() {
    
    var elements = document.getElementsByClassName('autoWidth');

    for ( var elementIndex = 0; elementIndex < elements.length; elementIndex++ ) {

        var element = elements[ elementIndex ];
        element.style.width = ( 1.0 * element.offsetWidth / pxInEm ) + 'em';    
    }
}

function updateImagesSize() {     
     
     var images = document.getElementsByTagName("img");
     
     for (var imageIndex = 0; imageIndex < images.length; imageIndex++) {
        var image = images[imageIndex];       
        imageWidth = image.offsetWidth;
        imageHeight = image.offsetHeight;
        image.style.width = (1.0 * imageWidth / defaultPxInEm) + 'em';        
        image.style.height = (1.0 * imageHeight / defaultPxInEm) + 'em';
     }          
}

function initMaps() {
	initGoogleMap(55.729672, 37.663922, 16, "г. Москва, ул. Крутицкий Вал, д. 14", "mapMoscow");
	initGoogleMap(59.9815, 30.358207, 16, "г. Санкт - Петербург, ул. Новолитовская, д. 15", "mapPiter");	
}

function initGoogleMap(latitude, longitude, scale, infoWindowHtml, mapId) {
	if (GBrowserIsCompatible()) {
		var map = new GMap2(document.getElementById(mapId));

		map.addControl(new GSmallMapControl());
		map.addControl(new GMapTypeControl());
		map.setCenter(new GLatLng(latitude, longitude), scale);

		// Creates a marker at the given point with the given number label
		function createMarker(point, number) {
			var marker = new GMarker(point);
			GEvent.addListener(marker, "click",
				function() {
					marker.openInfoWindowHtml(infoWindowHtml);
				}
			);
			return marker;
		}

		var point = new GLatLng(latitude, longitude);
		map.addOverlay(createMarker(point, 1));
	}
}