var responseSuccess = function(o) { 
  var select = document.getElementById(displayEl);
  select.innerHTML = o.responseText;
}

var responseFailure = function(o) { }

var displayEl = '';

var callback =
{
  success:responseSuccess,
  failure:responseFailure
}

function blogsearch(el, appurl) {
    displayEl = el;
    var select = document.getElementById(displayEl);
    select.innerHTML = '<p><img src="/images/misc/ajax-loader.gif" /></p>';
    var url = "/script/blogsearch.php?q=" + appurl;
    var cObj = YAHOO.util.Connect.asyncRequest('GET',url,callback,null);
}