/* ajax.Request */
function ajaxRequest(url,data,fieldname) {
  var aj = new Ajax.Request(
  url, {
   method:'get',
   parameters: data,
   onSuccess: function(response) {
   		getResponse(response, fieldname);
   	 }
   }
  );
}

/* ajax.Response */
function getResponse(oReq, fieldname) {
	$(fieldname).innerHTML = oReq.responseText;
}

/* Disable the form once submitted to prevent multiple hits */
function disableForm(theform) {
	if (document.all || document.getElementById) {
		for (i = 0; i < theform.length; i++) {
		var tempobj = theform.elements[i];
		if (tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset")
		tempobj.disabled = true;
		}
		return true;
	}
	else {
		alert("The form is currently processing. Please be patient.");
		return false;
	}
}