//
// AJAX Scripting Functions
//

var rootdomain=+window.location.hostname

function ajaxinclude(url)
{
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject)
	{ // if IE
		try { page_request = new ActiveXObject("Msxml2.XMLHTTP") }
		catch (e)
		{
			try { page_request = new ActiveXObject("Microsoft.XMLHTTP") }
			catch (e){}
		}	
	}
	else
		return false

	page_request.open('GET', url, false) //get page synchronously
	page_request.send(null)
	writecontent(page_request)
}

function writecontent(page_request)
{
	if (window.location.href.indexOf("http")==-1 || page_request.status==200)
	document.write(page_request.responseText)
}

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
//var rootdomain="http://"+window.location.hostname

function loadContent(url, containerid)
{
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject)
	{ // if IE
		try { page_request = new ActiveXObject("Msxml2.XMLHTTP") }
		catch (e)
		{
			try { page_request = new ActiveXObject("Microsoft.XMLHTTP") }
			catch (e){}
		}
	}
	else
		return false
	
	page_request.onreadystatechange=function()
	{
		loadpage(page_request, containerid)
	}

	if (bustcachevar) //if bust caching of external page
		var bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

function loadpage(page_request, containerid)
{
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
		document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs()
{
	if (!document.getElementById)
		return
	for (i=0; i<arguments.length; i++)
	{
		var file=arguments[i]
		var fileref=""
		
		if (loadedobjects.indexOf(file)==-1)
		{ //Check to see if this object has not already been added to page before proceeding
			if (file.indexOf(".js")!=-1)
			{ //If object is a js file
				fileref=document.createElement('script')
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			else if (file.indexOf(".css")!=-1)
			{ //If object is a css file
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
		
		if (fileref!="")
		{
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			loadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}

/* POST method */

var http_request = false;

function makePOSTRequest(url, parameters) 
{
  http_request = false;
  if (window.XMLHttpRequest) 
  { // Mozilla, Safari,...
     http_request = new XMLHttpRequest();
     if (http_request.overrideMimeType) 
     {
     	// set type accordingly to anticipated content type
        //http_request.overrideMimeType('text/xml');
        http_request.overrideMimeType('text/html');
     }
  } 
  else if (window.ActiveXObject) 
  { // IE
     try { http_request = new ActiveXObject("Msxml2.XMLHTTP");} 
     catch (e) 
     {
        try { http_request = new ActiveXObject("Microsoft.XMLHTTP");} 
        catch (e) {}
     }
  }
  if (!http_request) 
  {
     alert('Cannot create XMLHTTP instance');
     return false;
  }

 // http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}