var xmlhttp;

function GetXmlHttpObject()
{
	try{
		// Opera 8.0+, Firefox, Safari
		return new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			return new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				return new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return null;
			}
		}
	}
}

function loadPage(fileName)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	  {
		  alert ("Your browser does not support HTTP Request");
		  return;
	  }
	xmlhttp.onreadystatechange=pageChanged;
	xmlhttp.open("GET",fileName,true);
	xmlhttp.send(null);
}

function loadDefaultPage(page)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	  {
		  alert ("Your browser does not support HTTP Request");
		  return;
	  }
	xmlhttp.onreadystatechange=pageChanged;
	xmlhttp.open("GET",page,true);
	xmlhttp.send(null);
}

function pageChanged()
{
	if (xmlhttp.readyState==4 && xmlhttp.status == 200)
	{
		document.getElementById("pageContent").innerHTML=xmlhttp.responseText;
	}
	else
	{
		document.getElementById("pageContent").innerHTML='<img src="images/loader.gif">';
	}
}

function navigationLinks(url){
	xmlhttp=GetXmlHttpObject();
	xmlhttp.onreadystatechange=pageChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function hideDivTimer(divId){
	document.getElementById(divId).innerHTML = "";
}