function contact_form()
{
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	xmlHttp.onreadystatechange=function()
	{
		if(xmlHttp.readyState==4)
		{
			document.getElementById("email_form").innerHTML=xmlHttp.responseText;
		}
	}
	var url=document.getElementById("path_field").value+"/email.php?name="+document.getElementById("contact_name").value+"&email="+document.getElementById("contact_email").value+"&message="+document.getElementById("contact_message").value;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
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;
}