var AjaxRequest = Class.create(
{
	initialize: function(url, options)
	{
		this.url = url || '';
		this.options = options || {
		};

		this.onSuccess = Object.isFunction(this.options.onSuccess) ? this.options.onSuccess : Prototype.emptyFunction;
		this.onFailure = Object.isFunction(this.options.onFailure) ? this.options.onFailure : Prototype.emptyFunction;
		this.parameters = this.options.parameters || {
		};

		this.method = this.options.method || 'post';
		this.caching = this.options.caching || false;
		this.loader = this.options.loader || null;
		this.user = this.options.user || null;
		this.password = this.options.password || null;
		this.async = this.options.password || true;

		this.send();
	},
	send: function()
	{
		var req = new JsHttpRequest();
		req.onreadystatechange = function()
		{
			if (req.readyState == 4)
			{
				if (req.responseJS)
				{
					this.onSuccess(req.responseJS, req.responseText);
				}
				else
				{
					this.onFailure(req);
				}
			}
		}

		var fx = req.onreadystatechange;
		req.onreadystatechange = fx.bind(this);

		req.loader = this.loader;
		req.caching = this.caching;
		req.open(this.method, this.url, this.async, this.user, this.password);

		req.send(this.parameters);
	}
});

function pr(obj)
{
	var res = '';

	if (Object.isString(obj) || Object.isNumber(obj))
	{
		res += obj;
	}
	else
	{
		$H(obj).each(function(el)
		{
			res += el.key + ' = ' + el.value + '<br />';
		});
	}

	var debug = $('debug');

	if (!debug)
	{
		debug = new Element('div',
		{
			id: 'debug'
		});

		$(document.body).insert(debug);
	}

	debug.update(res);
}

function AddToCart(productID, elm)
{
	new AjaxRequest('/ajax.php',
	{
		parameters: {ajax: 1, action: 'AddToCart', ProductID: productID},
		onSuccess: function(tr, text)
		{
			if (tr.added)
			{
				var d = new Element('div').update('добавлено в корзину');
				d.addClassName('basket_notice');
				d.hide();
				var pos = $(elm).down().cumulativeOffset();
				pos.top = pos.top + 23;
				pos.left = pos.left - 5;
				d.setStyle({position: 'absolute', top: pos.top+'px', left: pos.left + 'px'});
				$(document.body).insert({bottom:d});
				d.appear().fade({ queue: 'end' });
				$('BasketTotalItems').update(tr.totals.Qty);
				$('BasketTotalSum').update(tr.totals.Sum);
			}
		},
		onFailure: function(tr)
		{
			pr(tr.responseText);
		}
	});
}

function CorrectTblStyles(id)
{
	document.observe("dom:loaded", function()
	{
		$(id).select('tr').each(function (elm, ind){
			if (ind % 2 == 1)
				elm.addClassName('even');
			else
				elm.addClassName('odd');
		});
	});
}

function SetValue(elm)
{
	if (!elm.defValue)
		elm.defValue = elm.value;

	if (elm.value == elm.defValue)
		elm.value = '';
}

function OpenPrintPage()
{
	var re = /\?/;
	var sym = '?';
	if (re.test(window.location.href))
		sym = '&';

	LinkWindow(window.location.href + sym + 'print=1', {resizable : 1});
}


function LinkWindow(linkURL, options)
{
	if (window.event)
	{
		event.cancelBubble = true;
		event.returnValue = false;
	}

	if (!options)
		options = {};

	var width = options.width || null;
	var height = options.height || null;

	if (!width)
	{
		width = Math.ceil(screen.width/2);
		if (width < 650) width = 650;
	}

	if (!height)
	{
		var height = Math.ceil(screen.height*0.6);
		if (height < 400) height = 400;
	}

	var toolbar = options.toolbar || 0;
	var location = options.location || 0;
	var directories = options.directories || 0;
	var menubar = options.menubar || 0;
	var scrollbars = options.scrollbars || 1;
	var resizable = options.resizable || 0;
	var status = options.status || 0;
	var fullscreen = options.fullscreen || 0;
	var name = options.name || "Additional";

	var left = options.left || Math.ceil(screen.width/4);
	var top = options.top || Math.ceil(screen.height*0.1);
	var oTarget = window.open(linkURL, name, "height="+height+",width="+width+",scrollbars="+scrollbars+",left="+left+",top="+top+",toolbar="+toolbar+",location"+location+",directories"+directories+",menubar"+menubar+",resizable"+resizable+",status"+status+",fullscreen"+fullscreen);
	oTarget.focus();
	return false;
} . . </body></html>