function toggleState(checkbox,state) {
  var statediv = document.getElementById('state'+state+'div');

  if (checkbox.checked == true)
    statediv.style.display = 'block';
  else
    statediv.style.display = 'none';
}

function checkBox(checkbox) {
  if (checkbox.checked == true)
    checkbox.checked = false;
  else
    checkbox.checked = true;
}

function editCollege(id) {

  if (!id)
    return;

  var edit = document.getElementById('edit'+id);
  var name = document.getElementById('name'+id);
  var date = document.getElementById('date'+id);
  if (edit.innerHTML == 'edit' || edit.innerHTML.toLowerCase() == '<b>add</b>') {

    name.innerHTML = '<INPUT TYPE="text" ID="editname'+id+'" NAME="name'+id+'" VALUE="'+name.innerHTML+'">';
    date.innerHTML = '<INPUT TYPE="text" ID="editdate'+id+'" NAME="date'+id+'" VALUE="'+date.innerHTML+'">';
    edit.innerHTML = 'save';
  } else if (edit.innerHTML == 'save') {
    var editname = document.getElementById('editname'+id);
    var editdate = document.getElementById('editdate'+id);      

    saveCollege(id,editname.value,editdate.value);
  }
}

var http_request = false;
function createHTTPRequest() {
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }

      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
  return true;
}

function saveStateChange(id) {
  var editname = document.getElementById('editname'+id);
  var editdate = document.getElementById('editdate'+id);
  var edit = document.getElementById('edit'+id);
  var name = document.getElementById('name'+id);
  var date = document.getElementById('date'+id);

  if (http_request.readyState == 4) {
    if (http_request.status == 200) {
      if (http_request.responseText.length>0) alert(http_request.responseText);
      name.innerHTML = id == -1 && http_request.responseText.length==0 ? '<li>'+editname.value+'</li>' : editname.value;
      date.innerHTML = editdate.value;
      if (id == -1)
        window.location.reload(true);
      else
        edit.innerHTML = 'edit';
    }
  }
}

function saveCollege(id, name, date) {
  createHTTPRequest();
  var url = 'collegeSave.php';
  var parameters='id='+id+'&name='+escape(name)+'&date='+escape(date);
  http_request.onreadystatechange=function() { saveStateChange(id) };
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function trim(str) {
  return str.replace(/^\s*|\s*$/g,"");
}

function deleteCollege(id) {
  if (!confirm("Delete entry?"))
    return false;

  createHTTPRequest();
  var url = 'collegeSave.php';
  var parameters='id='+id+'&delete=1';
  http_request.onreadystatechange=function() { deleteStateChange(id) };
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters); 
  
}

function deleteStateChange(id) {
  if (http_request.readyState == 4 && http_request.status == 200) {
    if (http_request.responseText.length == 0)
      window.location.reload(true);
    else
      alert(http_request.responseText);
  }
}

function toggleDisp(elem) {
  if (elem.style.display=='block')
    elem.style.display='none';
  else
    elem.style.display='block';
}

function saveBenefit(id) {
  createHTTPRequest();
  var url = 'careerBenefitSave.php';
  var title = document.getElementById('benefitTitle');
  var desc = document.getElementById('benefitDesc');
  var parameters='id='+id+'&benefitTitle='+escape(title.value)+'&benefitDesc='+escape(desc.value);
  http_request.onreadystatechange=function() { saveBenefitStateChange(id) };
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}


function saveBenefitStateChange(id) {
  if (http_request.readyState == 4) {
    if (http_request.status == 200) {
      if (http_request.responseText.length>0) 
        alert(http_request.responseText);
      else
        window.location.reload(true);
    }
  }
}

function deleteBenefit(id) {
  if (!confirm("Delete entry?"))
    return false;

  createHTTPRequest();
  var url = 'careerBenefitSave.php';
  var parameters='id='+id+'&delete=1';
  http_request.onreadystatechange=function() { saveBenefitStateChange(id) };
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters); 
  
}


function saveCareer(id) {
  createHTTPRequest();
  var url = 'careersOppSave.php';
  var career = document.getElementById('career');
  var desc = document.getElementById('description');

  var parameters='id='+id+'&career='+escape(career.value)+'&description='+escape(desc.value);

  // figure out which locations are checked for this career opp.
  var count = 0;
  var loc = document.getElementById('loc'+count);
  while (loc) {
    if (loc.checked==true)
      parameters=parameters+'&'+loc.name+'=true';

    count++;
    loc = document.getElementById('loc'+count);
  }

  http_request.onreadystatechange=function() { saveCareerStateChange(id) };
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}


function saveCareerStateChange(id) {
  if (http_request.readyState == 4) {
    if (http_request.status == 200) {
      if (http_request.responseText.length>0) 
        alert(http_request.responseText);
      else
        window.location.reload(true);
    }
  }
}

function deleteCareer(id) {
  if (!confirm("Delete '"+document.getElementById('career').value+"'?"))
    return false;

  createHTTPRequest();
  var url = 'careersOppSave.php';
  var parameters='id='+id+'&delete=1';
  http_request.onreadystatechange=function() { saveCareerStateChange(id) };
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters); 
  
}