function createRequestObject(){
  var request_;
  var browser = navigator.appName;
  if(browser == "Microsoft Internet Explorer"){
    request_ = new ActiveXObject("Microsoft.XMLHTTP");
  }
  else
  {
    request_ = new XMLHttpRequest();
  }
  return request_;
}
var http = createRequestObject();


function getSqft(){
  var mySearch = document.getElementById('sqFt');
  Effect.Fade('area_est',{duration: 1.0});
  Effect.Appear('sqFt_est',{duration: 1.0});
  http.open('get', 'CJG_Estimates/estimate.php?sqFt=' + mySearch.value);
  http.onreadystatechange = handleInfo;
  http.send(null);
}


function handleInfo(){
  if(http.readyState == 1){
    document.getElementById('sqFt_est').innerHTML = 'loading...';
  }
  if(http.readyState == 4){
    var response = http.responseText;
	document.getElementById('sqFt_est').innerHTML = response;
  }
}

function getArea(){
  var myRooms = document.getElementById('rooms');
  var myHalls = document.getElementById('hallways');
  var myStairs = document.getElementById('stairs');
  Effect.Appear('area_est',{duration: 1.0});
  http.open('get', 'CJG_Estimates/area.php?rooms=' + myRooms.value + '&hallways=' + myHalls.value + '&stairs=' + myStairs.value );
  http.onreadystatechange = handleInfo2;
  http.send(null);
}


function handleInfo2(){
  if(http.readyState == 1){
    document.getElementById('area_est').innerHTML = 'loading...';
  }
  if(http.readyState == 4){
    var response = http.responseText;
	document.getElementById('area_est').innerHTML = response;
  }
}