/* -------------------------- */
/*   XMLHTTPRequest Enable    */
/* -------------------------- */
function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
} else {
request_type = new XMLHttpRequest();
}
return request_type;
}
var http = createObject();

...

        http.open('GET', 'http://x.ru/s.php?q='+q);
	http.onreadystatechange=searchNameqReplyEnter;
	http.send(null);

...

function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
} else {
request_type = new XMLHttpRequest();
}
return request_type;
}
var xhr = createObject();



function searchNameq(str) {
		var xhr = new XMLHttpRequest();
		var params = 'content=' + encodeURIComponent(str);
		xhr.open("POST", 'http://site.ru/test/editpage.php', true)
		xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded')
		xhr.onreadystatechange = searchNameqReply;
		xhr.send(params);	
}



function searchNameqReply() {
	if(xhr.readyState == 4) {
		var response = xhr.responseText;
		RESULT.innerHTML = response;
   }
}