var xmlDoc;
function loadXML(url) { 
try //Internet Explorer
  {
  xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
  xmlDoc.async=false;
  xmlDoc.load(url);
  }
catch(e)
  {
  try //Firefox, Mozilla, Opera, etc.
    {
    xmlDoc=document.implementation.createDocument("","",null);
	xmlDoc.async=false;
	xmlDoc.load(url);
    }
  catch(e)
    {
    try //Safari
    {
    XmlHTTP = new XMLHttpRequest();
	XmlHTTP.open('get', url, false);
	XmlHTTP.send('');
	xmlDoc = XmlHTTP.responseXML;
    }
  catch(e)
    {
    alert("Your Browser doesn't support AJAX");
    return;
    }
    }
  }

}

function loadMain() {
	//abc = xmlDoc.getElementsByTagName("settings");
	var nodeMain = xmlDoc.getElementsByTagName("link1");
	if (nodeMain != null && nodeMain.item(0) != null && nodeMain.item(0).firstChild != null)
		document.getElementById("externalframe").src = nodeMain.item(0).firstChild.nodeValue;
}