function jobSummaryStyle($style)
{
	var container = document.getElementById('listStyleContainer');
	if($style == 'compact'){
        $(".summary").addClass("hidden");
        container.innerHTML = '<strong>List style:</strong><br />compact<br /><a href="" onclick="jobSummaryStyle(\'descriptive\');return false;" >descriptive</a>';
	}else{
        $(".summary").removeClass("hidden");
        container.innerHTML = '<strong>List style:</strong><br /><a href="" onclick="jobSummaryStyle(\'compact\');return false;" >compact</a><br />descriptive';	
    }
}

function ajax_job_filter()
{
	var jobType = document.getElementById('typeSelect').value;
	var jobLocation = document.getElementById('locationSelect').value;
	
	var request = createXmlHttpRequestObject();
	request.open('GET', '/job/ajax_job_selector/'+jobType+'/'+jobLocation, true);
	request.setRequestHeader("Connection", "close");

	//tell the request what to do when the state changes.
	request.onreadystatechange = function() 
	{
		if (request.readyState == 4 && request.status == 200) 
		{
			var jobsContainer = document.getElementById('job_div');
			jobsContainer.innerHTML = request.responseText;
		}	
	}; //function	
	request.send(null);
	
}


// creates an XMLHttpRequest instance
function createXmlHttpRequestObject() 
{
  // will store the reference to the XMLHttpRequest object
  var xmlHttp;
  // this should work for all browsers except IE6 and older
  try
  {
    // try to create XMLHttpRequest object
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    // assume IE6 or older
    var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0",
                                    "MSXML2.XMLHTTP.5.0",
                                    "MSXML2.XMLHTTP.4.0",
                                    "MSXML2.XMLHTTP.3.0",
                                    "MSXML2.XMLHTTP",
                                    "Microsoft.XMLHTTP");
    // try every prog id until one works
 
    for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) 
    {
      try 
      { 
        // try to create XMLHttpRequest object
        xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
      } 
      catch (e) {
      }
    }
  }
  // return the created object or display an error message
  if (!xmlHttp)
    alert("Error creating the XMLHttpRequest object.");
  else 
    return xmlHttp;
}