var xmlhttp;
var returncontrolID;

function dbrequest(returncontrol, isubdir, func, params)
{
	returncontrolID = returncontrol;
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url="includes/dbprocessrequest.php";
	if(isubdir != 0)
	{
		for(var i = 0; i < isubdir; i++)
		{
			url = "../" + url;
		}
	}
//alert(returncontrol);
//alert(isubdir);
//alert(func);
//alert(params);
	url=url+"?fc="+func+params;
	url=url+"&sid="+Math.random();
//alert(url);
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function stateChanged()
{
	if (xmlhttp.readyState==4)
	{
		if(returncontrolID != "")
		{
			document.getElementById(returncontrolID).innerHTML=xmlhttp.responseText;
		}
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	{
		// code for IE7+, Firefox, Chrome, Opera, Safari
		return new XMLHttpRequest();
	}
	if (window.ActiveXObject)
	{
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}