var xmlHttp;
function showReview(str) { 
	if (str == "empty") {
  		theCode='<span class="navPri">[loading review...]</span>';
  		document.getElementById("reviewTxt").innerHTML=theCode;
	} else {
	  doRequest(str);
	}
}
//
function doRequest (str) {
		xmlHttp = GetXmlHttpObject()
		if (xmlHttp == null) {
			alert ("Browser does not support HTTP Request");
			return;
		}
		var url="scripts/getReview.php";
		url=url+"?wc="+str;
		url=url+"&sid="+Math.random();
		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.open("GET",url,true);
		xmlHttp.send(null);
}
//
function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
 	 document.getElementById("reviewTxt").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;
}