//functions bellow are needed to load a page into a layer

var loadedobjects=""
var rootdomain="http://"+window.location.hostname

function bring_to_layer(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)
}
page_request.open('GET', url, 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
}

//functions bellow are needed to set the visibility of layers

function hide_show(which)
{
if (!document.getElementById|document.all)
	{
	return
	}
else
	{
	if (document.getElementById)
		{
		oWhich = eval ("document.getElementById('" + which + "')")
		}
	else
		{
		oWhich = eval ("document.all." + which)
		}
	}

	window.focus()

	if (oWhich.style.display=="none")
		{
		oWhich.style.display=""
		}
	else
		{
		oWhich.style.display="none"
		}
}

//function bellow is needed to make the navigation menu sticky

function getObj(name)
{
  if (document.getElementById)
  {
  	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }
  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
  else if (document.layers)
  {
	this.obj = getObjNN4(document,name);
	this.style = this.obj;
  }
}

var menu;
var theTop = 245;
var old = theTop;

window.onload = function () {
	menu = new getObj('menu');
	movemenu();
}

function movemenu()
{
	if (window.innerHeight)
	{
		  pos = window.pageYOffset
	}
	else if (document.documentElement && document.documentElement.scrollTop)
	{
		pos = document.documentElement.scrollTop
	}
	else if (document.body)
	{
		  pos = document.body.scrollTop
	}
	if (pos < theTop) pos = theTop;
	else pos += 245;
	if (pos == old)
	{
		menu.style.top = pos;
	}
	old = pos;
	temp = setTimeout('movemenu()',100);
}