var xmlHttp;

function handlePIDEnter (field, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
			var i;
			for (i = 0; i < field.form.elements.length; i++)
				if (field == field.form.elements[i])
					break;
			i = (i + 1) % field.form.elements.length;
			// field.form.elements[i].focus();
			return false;
		}
		else
		return true;
}

function noSchool() {
	document.getElementById('pid_results_div').style.display='none';
	/* document.getElementById('go_btn_div').style.display='block'; */
	document.getElementById('no_school_div').style.display='block';
}

function homeSchool() {
	document.getElementById('pid_results_div').style.display='none';
	/* document.getElementById('go_btn_div').style.display='block'; */
	document.getElementById('no_school_div').style.display='block';
}

function foundSchool() {
	document.getElementById('pid_results_div').style.display='none';
	document.getElementById('pid_display').style.display='block';
	document.getElementById('pid_display').innerHTML=document.getElementById('pid').options[document.getElementById('pid').selectedIndex].innerHTML;
	/* document.getElementById('go_btn_div').style.display='block'; */
	/* document.getElementById('quikfind').submit(); */
}

function checkSchoolFinder() {
	if (
		(document.getElementById("pid") && document.getElementById("pid").value != '')
		|| (document.getElementById("inst_name") && document.getElementById("inst_name").value != ''))
	{
		return true;
	} else {
		alert('Please enter either a zip code or a city.');
		return false;
	}
}

function clearOrganization() {
  /* document.getElementById("go_btn_div").style.display="none"; */
  document.getElementById("no_school_div").style.display="none";
  document.getElementById("loading_box").style.display="none";
  document.getElementById("pid_results_div").style.display="none";
  document.getElementById("pid").options.length = 0;
  document.getElementById('pid_display').style.display='none';
  document.getElementById('pid_display').innerHTML='';
  return;
}

function showOrganization(str, searchType)
{
if (str.length==0) { 
  /* document.getElementById("go_btn_div").style.display="none"; */
  document.getElementById("no_school_div").style.display="none";
  document.getElementById("loading_box").style.display="none";
  document.getElementById("pid_results_div").style.display="none";
  document.getElementById("pid").options.length = 0;
  return;
}
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="/ajax/index.cfm?appName=old_schoolfinder";
url=url+"&q="+str;
url=url+"&c="+searchType;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged() {
	if (xmlHttp.readyState == 1 || xmlHttp.readyState == 2 || xmlHttp.readyState == 3) {
		/* document.getElementById("go_btn_div").style.display="none"; */
		document.getElementById("no_school_div").style.display="none";
		document.getElementById("loading_box").style.display="block";
		document.getElementById("pid_results_div").style.display="none";
	}
	if (xmlHttp.readyState==4) {
		/* document.getElementById("go_btn_div").style.display="block"; */
		document.getElementById("no_school_div").style.display="none";
		document.getElementById("loading_box").style.display="none";
		document.getElementById("pid_results_div").style.display="block";
		var xmlDoc=xmlHttp.responseXML.documentElement;
		document.getElementById("pid").options.length = 0;
		document.getElementById("pid").options[0] = new Option('I don\'t see my school.', '');
		document.getElementById("pid").options[1] = new Option('I am a homeschool teacher.', '');
		
		// document.write(xmlHttp.responseText);

		for (i=0;i<xmlDoc.childNodes.length;i++) {
			document.getElementById("pid").options[i+2] = new Option(xmlDoc.getElementsByTagName("organization")[i].childNodes[0].nodeValue + ', ' + xmlDoc.getElementsByTagName("organization")[i].attributes.getNamedItem("state").value, xmlDoc.getElementsByTagName("organization")[i].attributes.getNamedItem("pid").value);
		}
	}
}

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;
}