function submitSearchForm()
{
  document.search.submit();
}

function submitSubSearch(field, keywords)
{
  document.subsearch["search_params[" + field + "]"].value = keywords;
  if(field == 'city')
  {
        document.search.search_type[0].checked = true ;
    document.subsearch.search_type.value = 'ct';
  }
  document.subsearch.submit();
}

function goSearchParams()
{
  document.search.page.value = 0;
  document.search.submit();
}

function resetSearchParams()
{
  document.search.reset_search_params.value = 'yes';
  submitSearchForm();
}

function submitSearchParams()
{
  document.search.action.value = 'list';
  submitSearchForm();
}

function editSearchParams()
{
  document.search.action.value = 'search';
  submitSearchForm();
}

function jumpToPage(i)
{
  document.search.page.value = i;
  submitSearchForm();
}

function showDetails(i)
{
  document.search.action.value = 'details';
  document.search.job_id.value = i;
  submitSearchForm();
}

function sortBy(col, dir)
{
  document.search.sort_col.value = col;
  document.search.sort_dir.value = dir;
  submitSearchForm();
}

function changeRadio(option,val)
{
  if(val != '')
  {
    check = document.search.search_type;
    for (i=check.length-1;i>-1; i--) 
    {
      if (check[i].value == option) 
      {
        check[i].checked = true;
        i= -1;
      }
    }
  }
}


var http_request = false;
  function makeRequest(url, parameters) 
  {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http_request = new XMLHttpRequest();
       if (http_request.overrideMimeType) {
              // set type accordingly to anticipated content type
          //http_request.overrideMimeType('text/xml');
          http_request.overrideMimeType('text/html');
       }
    } 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;
    }
    http_request.onreadystatechange = alertContents;
    http_request.open('GET', url + parameters, true);
    http_request.send(null);
  }

   function alertContents() 
   {
      if (http_request.readyState == 4) 
      {
         if (http_request.status == 200) 
         {
            result = http_request.responseText;
            document.getElementById('change_city').innerHTML = result; 
         } 
         else 
         {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get(obj) 
   {
      var getstr = "?";
      for (i=0; i<obj.childNodes.length; i++) { 
         if (obj.childNodes[i].tagName == "SELECT")
         {
            var sel = obj.childNodes[i];
            getstr += sel.name + "=" + sel.options[sel.selectedIndex].value + "&";
         }
         
      }
      makeRequest('ajax.php', getstr);
   }

function fieldFocus(elem)
{
  if(elem.value == elem.defaultValue)
  {
    elem.select();
  }
}

function fieldBlur(elem)
{
  if(elem.value == '')
  {
    elem.value = elem.defaultValue;
    return;
  }
}