function createRequestObject(){
	var request_o;
	var browser = navigator.appName; 
	if(browser == "Microsoft Internet Explorer"){
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_o = new XMLHttpRequest();
	}
	return request_o;
}
var http = createRequestObject();
var search_option='';
var search_param='';
var search_field='';
function get_data(url){
	http.open('get', url);
	http.onreadystatechange = handleGetData;
	http.send(null);
}
function handleGetData(){
if(http.readyState == 4){
var response = http.responseText;

document.getElementById("body_ajax").innerHTML = response;}
}