function autoupdate() {
setInterval("jobupdate()", "60000");
}

var xmlhttp

function jobupdate()
{
	var randomnumber=Math.floor(Math.random()*1000001)
	var url="http://www.compexpertman.co.uk/latestjobinfo/latestjobs.inc.txt?nocache="+randomnumber;
	xmlhttp=null
	// code for Mozilla, etc.
		if (window.XMLHttpRequest)
		  {
		  xmlhttp=new XMLHttpRequest()
		  }
			// code for IE
			else if (window.ActiveXObject)
			  {
			  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
			  }
if (xmlhttp!=null)
  {
  xmlhttp.onreadystatechange=state_Change
  xmlhttp.open("GET",url,true)
  xmlhttp.send(null)
  }
else
  {
  alert("Your browser does not support XMLHTTP.")
  }
}

function state_Change()
{
// if xmlhttp shows "loaded"
if (xmlhttp.readyState==4)
  {
  // if "OK"
  if (xmlhttp.status==200)
  {
  document.getElementById('joblist').innerHTML="<em>"+xmlhttp.responseText+"</em>";
  }
  else
  {
  alert("Problem retrieving data:" + xmlhttp.statusText)
  }
  }
}

window.onload = autoupdate;