// Javascript function
/* Declare a variable that will hold the XMLHttpRequest object  */
var ReqObject = false;

/* Consider various Browsers */
if (window.XMLHttpRequest)
{
    ReqObject = new XMLHttpRequest();
}
else if (window.ActiveXObject)   // IE: XMLHttpRequest is not native?
{
    ReqObject = new ActiveXObject("Microsoft.XMLHTTP");
}

function getTxt(source, placeId, step)
{	
	//var inputdata2 = document.forms[0].mydata2.value
	if (document.userform)
	{//alert ("3");
		if (document.userform.user_name){
		var userName = document.userform.user_name.value
		var password = document.userform.user_password.value}
		
		else {
			var userName = ''
			var password = ''}
		}
		
	//alert(placeId);}
	var url="http://www.guanzhao.org/data2.cfm?rid=" + source + "&placeId=" + placeId + "&step=" + step  + "&uname=" + userName  + "&pass=" + password
   if (ReqObject)    // check whether the object is created
   {
	//alert(url);
      var place = document.getElementById(placeId);     // where to put the response
      ReqObject.open("GET", url);                    // crete a GET request for the source of text file

      ReqObject.onreadystatechange = function()         // anurlon-function to be invoked when the state changes 
      {
          if ( (ReqObject.readyState == 4) && (ReqObject.status == 200 || window.location.href.indexOf("http")==-1) )    // 4: response is done, 200: okay
          {
              place.innerHTML = ReqObject.responseText; 
          } 

		else {
		      place.innerHTML = '<img src="http://www.guanzhao.org/images/loading-gif-sample-1.gif"><SCRIPT LANGUAGE="JavaScript" type="text/javascript">alert("");</SCRIPT>';
		} 
      }
      ReqObject.send(null);     // this will change when you do POST 
   }
}

/*
function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1)) {
document.getElementById(containerid).innerHTML=page_request.responseText
}

else {
document.getElementById(containerid).innerHTML = '<img src="/jgaodev/images/loading-gif-sample-1.gif">';
}
}
*/