if(document.getElementById&&!document.all){ns6=1;}else{ns6=0;}
var agtbrw=navigator.userAgent.toLowerCase();
var operaaa=(agtbrw.indexOf('opera')!=-1);
var head="display:''";
var folder='';

function expandit(curobj)
{
	if(document.getElementById(curobj))
	{
  		folder=document.getElementById(curobj).style;
	}
	else
	{
		if(ns6==1||operaaa==true)
		{
			folder=curobj.nextSibling.nextSibling.style;
		}
		else
		{
			folder=document.all[curobj.sourceIndex+1].style;
		}
   	}
	if(folder.display=="none")
	{
		folder.display="";
	}
	else
	{
		folder.display="none";
	}
}

function create_http_object()
{
	var ActiveXTypes = [
		"Microsoft.XMLHTTP",
		"MSXML2.XMLHTTP.5.0",
		"MSXML2.XMLHTTP.4.0",
		"MSXML2.XMLHTTP.3.0",
		"MSXML2.XMLHTTP"
	];

	for( var i = 0; i < ActiveXTypes.length; i++ )
	{
		try
		{
			return new ActiveXObject( ActiveXTypes[i] );
		}
		catch( e )
		{ }
	}

	try
	{
		return new XMLHttpRequest();
	}
	catch( e )
	{ }

	return false;
}

function make_request(url, callback_function, http_method, post_values, return_xml)
{
	http = create_http_object();

	if(!http)
	{
		alert('Could not create XMLHTTP Object');
		return false;
	}

	http.onreadystatechange = function()
	{
		if(http.readyState == 4)
		{
			if(http.status == 200)
			{
				if(callback_function)
				{
					if(return_xml)
					{
						eval(callback_function + '(http.responseXML)');
					}
					else
					{
						eval(callback_function + '(http.responseText)');
					}
				}
			}
			else
			{
				alert('Error! (' + http.status + ')');
			}
		}
	}

	if(!post_values)
	{
		post_values = null;
	}
	if(!http_method)
	{
		http_method = "GET";
	}

	http.open(http_method, url, true);

	if(http_method == "POST")
	{
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	}

	http.send(post_values);
}