//Browser Support Code
function ajaxFunction(inputfield, outputfield, type, response){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				alert("Your browser broke!");
				return false;
			}
		}
	}
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){

		// **** the bit that gets the results and puts them in the page ****

		if (response == 'combo') {

		document.getElementById(outputfield).options.length = 0;
		returnElements=ajaxRequest.responseText.split("||")
          
          for ( var i=0; i< returnElements.length; i++ ){
             valueLabelPair = returnElements[i].split("|")
             document.getElementById(outputfield).options[i] = new Option(valueLabelPair[1], valueLabelPair[0]);
		
		}

		}

		if (response == 'textbox') {

		document.getElementById(outputfield).innerHTML = ajaxRequest.responseText;

		}

          
	}
	}

	// **** The bit that grabs the current value and submits to the Ajax script ****

	if (response == 'combo') {
		var myvar = document.getElementById(inputfield).options[document.getElementById(inputfield).selectedIndex].value;
	} else {
		var myvar = document.getElementById(inputfield).value;
	}
	
	var queryString = "?"+inputfield+"=" + myvar+"&type="+type;
	ajaxRequest.open("GET", "ajax_call.asp" + queryString, true);
	ajaxRequest.send(null); 
}