var xmlHttp

function showRep(str) { 
	xmlHttp=GetXmlHttpObject(); // check browser AJAX compatibility and create a new object
	if (xmlHttp==null) { // if it fails, browser doesn't support AJAX.  Let them know.
	  alert ("Your browser does not support AJAX!");
	  return;
	} 
	var url="sw_AJAX/RepGet.php?xTer="+str;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

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

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