//
// AJAX SUPPORT
//
var xmlHttpIsSupported = true;
var xmlHttp=GetXmlHttpObject();

function stateChanged(txtDivid) 
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		if (xmlHttp.responseText != "")
			document.getElementById(txtDivid).innerHTML=xmlHttp.responseText;
}

function GetXmlHttpObject()
{
	var xmlHttp=null;

	// Try Firefox, Opera 8.0+, Safari
	// Then Try Internet Explorer
	try { xmlHttp=new XMLHttpRequest(); }
	catch (e) {
		try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }
		catch (e) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }
	}
	xmlHttpIsSupported = (xmlHttp == null) ? false : true;
	if (xmlHttp==null)
	{
		alert ("Your browser does not support HTTP Requests");
		return false;
	}
	return xmlHttp;
}
function showDiv(showlist,hidelist)
{
	if (hidelist != '')
	{
		var hideids = hidelist.split(',');
		for (var i = 0; i < hideids.length; i++)
			document.getElementById(hideids[i]).style.display='none';
	}
	if (showlist != '')
	{
		var showids = showlist.split(',');
		for (var i = 0; i < showids.length; i++)
			document.getElementById(showids[i]).style.display='block';
	}
	return false;
}