		<!--

			// Original script source borrowed from 

			// http://thedesignspace.net/MT2archives/000019.php

			function checkfield(oInput) {

				var v = oInput.value;

				if (!/^\s*\d*\s*$/.test(v)) {

					alert("Please input only numbers (no spaces or commas");

					oInput.focus();

					oInput.select();

					return false;

				}

				return true;

			}

		//-->
		
		
		//script to hide/display additional search options

/*	function initialise() {
  var element = document.getElementById('element-id');
 
  if (element && element.style)
    element.style.display = 'none';
		
}

function toggleDisplay(element) {
  var style;

  if (typeof element == 'string')
    element = document.getElementById(element);
	
  if (element && (style = element.style))
    style.display = (style.display == 'none') ? '' : 'none';

}

if (!document.getElementById)
  document.getElementById = function() {return null;};

	oldTextAry = new Array();

function changeText (fieldObj, newTexStr) {
if (newTexStr == fieldObj.innerHTML) {
fieldObj.innerHTML = oldTextAry[fieldObj.id];
} else {
oldTextAry[fieldObj.id] = fieldObj.innerHTML;
fieldObj.innerHTML = newTexStr;
}
} */