window.onload=init;
function init() {
var ajax=getXMLHttpRequestObject();
if(ajax) {
alert("got ajax");
if(document.getElementById('results')) {
document.getElementById('dept_form').onsubmit=function() {
var did=document.getElementById('did').value;
ajax.open('get','dept_results_ajax.php?did='+encodeURIComponent(did));
ajax.onreadystatechange=function() {
handleResponse(ajax);
}
ajax.send(null);
return false;
}//End of anonymous function.
}//End of DOM check.
}//End of ajax IF.


function handleResponse(ajax) {
if(ajax.readyState == 4) {
if((ajax.status == 200) || (ajax.status ==304))

{
var results = document.getElementById('results');
results.innerHTML = ajax.responseText;
results.style.display='block';
} else {
document.getElementById('dept_form').submit();
}
}
}

}