// Current page menu function

function colour(page)
{
if (page.indexOf('services') > 0)
  {
  document.getElementById('services').style.color = "#990000";
  }
else if (page.indexOf('portfolio') > 0)
  {
  document.getElementById('portfolio').style.color = "#990000";
  }
else if (page.indexOf('prices') > 0)
  {
  document.getElementById('prices').style.color = "#990000";
  }
else if (page.indexOf('contact') > 0)
  {
  document.getElementById('contact').style.color = "#990000";
  }
else
  {
  document.getElementById('home').style.color = "#990000";
  }
}


// Portfolio Ajax

var xmlHttp

function ajax(page,div)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Please move out of the 1990s and upgrade your browser!");
  return;
  } 
var url=page;
url=url+"&?sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
} 

function stateChanged() 
{ 
if (xmlHttp.readyState==4)
  { 
  document.getElementById("articles").innerHTML=xmlHttp.responseText;
  }
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}