var xmlHttp
var page

function showPage(x)
{
this.showJobs(x);
//alert(showJobs.page);
}

function showJobs(str)
{
if (!isNaN(str)) {
	page = str;
}
var s=document.getElementById("jobSearch");
if (s.value!=s.defaultValue) str=s.value;
var int='';
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="search/careersList_perm.php";
url=url+"?sid="+Math.random();
if (str != undefined && isNaN(str)) url=url+"&q="+str;
if (int == 0 || int == 1) url=url+"&t="+int;
if (str != undefined) url=url+"&p="+page;

xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function showInterns(str)
{
if (!isNaN(str)) {
	page = str;
}
var s=document.getElementById("internSearch");
if (s.value!=s.defaultValue) str=s.value;
var int='';
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="search/careersList_intern.php";
url=url+"?sid="+Math.random();
if (str != undefined && isNaN(str)) url=url+"&q="+str;
if (int == 0 || int == 1) url=url+"&t="+int;
if (str != undefined) url=url+"&p="+page;

xmlHttp.onreadystatechange=stateChanged2;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}


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

function stateChanged2() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("displayInternships").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;
}

function init()
{
this.showJobs();
setTimeout("showInterns()", 1000)
}
window.onload=init;

// show and run live search
$(document).ready(function() {

	// if user has js, then default to show live search
	$("#jobSearch").show();
	$("#internSearch").show();
		
	// jobSearch input focus and blur
	$("input[@name='jobSearch']")
		.focus(function(){
			if ($(this)[0].value==$(this)[0].defaultValue){
	 			$(this)[0].value='';
 			}
 		})
		.blur(function(){
	 		if ($(this)[0].value==''){
 				$(this)[0].value=$(this)[0].defaultValue;
	 		}
		});
	
	// internSearch input focus and blur
	$("#internSearch")
		.focus(function(){
			if ($(this).val()==$(this)[0].defaultValue){
	 			$(this).val('');
 			}
 		})
 		.blur(function(){
	 		if ($(this).val()==''){
 				$(this).val($(this)[0].defaultValue);
	 		}
	 	});

	// start ajax live search with keystroke
	$("#jobSearch").keyup(function(){
	 	showJobs($("#jobSearch").val());
	});
	$("#internSearch").keyup(function(){
		showInterns($("#internSearch").val());
		
	});
	
	// do not allow user to submit the live search
	$("#jobForm").submit(function(){
	 	return false;
	});
	$("#internForm").submit(function(){
	 	return false;
	});
});