function ajaxLoad(method, URL, data, displayID)
{
	var ajax = null;
	if (window.ActiveXObject) {
		ajax = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest){
		ajax = new XMLHttpRequest();
	}
	else
	{
		alert("Your Browser doesn't support Ajax");
	}
	method = method.toLowerCase();
	
	URL += "?dummy="+ (new Date()).getTime();
	
	if (method.toLowerCase() == "get") {
		URL += "&"+data;
		data = null;
	}
	
	ajax.open(method, URL);
	
	if (method.toLowerCase() == "post") {
		ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	}
	
	ajax.onreadystatechange = function() {
		if (ajax.readyState==4 && ajax.status==200) {
			var ctype = ajax.getResponseHeader("Content-Type");
			ctype = ctype.toLowerCase();
			
			ajaxCallback(ctype, displayID, ajax.responseText);
			
			delete ajax;
			
			ajax = null;
		}
	}
	
	ajax.send(data);
}

function ajaxCallback(contentType, displayID, responseText) {
	if (contentType.match("text/javascript")) {
		eval(responseText);
	}
	else {
		var el = document.getElementById(displayID);
		el.innerHTML = responseText;
	}
}

function getFormData(form_name_or_id) {
	var frm = document.forms[form_name_or_id];
	if (frm==null) {
		alert("form not found!");
		return;
	}
	
	var data = " ";
	var num_el = frm.elements.length;
	for (i=0; i<num_el; i++) {
		var el = frm.elements[i];
		if (el.name=="" && el.id=="") {
			continue;
		}
		var param_name = "";
		if (el.name!="") {
			param_name = el.name;
		}
		else if (el.id != "") {
			param_name = el.id;
		}
		
		var t = frm.element[i].type;
		var value = "";
		if (t=="text" || t =="password" || t=="hidden" || t=="textarea") {
			value = encodeURI(el.value);
		}
		else if (t=="radio" || t=="checkbox") {
			if (el.checked) {
				value = encodeURI(el.value);
			} else {
				continue;
			}
		}
		else if (t=="select-one") {
			value = encodeURI(el.options[el.selectedIndex].value);
		}
		else if (t=="select-multiple") {
			for (j=0; j<el.length; j++) {
				if (el.options[j].selected) {
					if (data!="") {
						data += "&";
					}
					data += param_name + "=";
					data += encodeURI(select.options[j].value);
				}
			}
			continue;
		}
		
		if (data != "") {
			data += "&";
		}
		
		data += param_name + "=" + value;
	}
	return data;
}