(function() {

var xmlHttp;

function getXmlHttpObject()
{
	var xmlHttp = null;
	try
	{
		xmlHttp = new XMLHttpRequest();
	}
	catch(e)
	{
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e)
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function page(wpurl, args, start, loading)
{
	xmlHttp = getXmlHttpObject();
	if (xmlHttp == null)
	{
		alert ("Oop! Browser does not support HTTP Request.")
		return;
	}

	var url = wpurl;
	url += "?action=rc_ajax";
	url += "&args=" + args;
	url += "&start=" + start;

	xmlHttp.onreadystatechange = function(){runChange(loading)};
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
}

function detail(id, wpurl, args, start, loading)
{
	xmlHttp = getXmlHttpObject();
	if (xmlHttp == null)
	{
		alert ("Oop! Browser does not support HTTP Request.")
		return;
	}

	var url = wpurl;
	url += "?action=rc_detail_ajax";
	url += "&id=" + id;
	url += "&args=" + args;
	url += "&start=" + start;

	xmlHttp.onreadystatechange = function(){runChange(loading)};
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
}

function runChange(loading)
{
	var firstItem = document.getElementById("rc_item_1");
	var parent = firstItem.parentNode;
	var navigator = document.getElementById("rc_nav");

	if (xmlHttp.readyState < 4)
	{
		document.body.style.cursor = 'wait';
		if (navigator)
		{
			navigator.innerHTML = (loading == undefined) ? "Loading..." : loading + "...";
		}

	}
	else if (xmlHttp.readyState == 4 || xmlHttp.readyState=="complete")
	{
		parent.innerHTML = xmlHttp.responseText;
		document.body.style.cursor = 'auto';
	}
}

window['RCJS'] = {};
window['RCJS']['page'] = page;
window['RCJS']['detail'] = detail;

})();