var httpRequest = false;

function ajax_forgot() {
	
	hidediv("no_user");
	hidediv("user_doesnt_exist");
	hidediv("server_fail");
	
	if (document.getElementById("search_user").value === "") {
		showdiv_inline("no_user");
		document.getElementById("search_user").focus();
	}
		
	var params = "user_search=" + encodeURI( document.getElementById("search_user").value );
	var url = "ajax/a_user_forgot.php";
	var mime = "application/json";
	
	var httpRequest = false;
	
	if (window.XMLHttpRequest) {
		httpRequest = new XMLHttpRequest();
		if (httpRequest.overrideMimeType) {
			// set mime type accordingly
			httpRequest.overrideMimeType(mime);
		}
	}
	else if (window.ActiveXObject) { // IE
		try {
			httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			try {
				httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e) {}
		}
	}
	if (!httpRequest) {
		alert('Create XMLHTTPRequest failed.');
		return false;
	}
	
	httpRequest.open('POST', url, true);
	httpRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	httpRequest.setRequestHeader("Content-length", params.length);
	httpRequest.setRequestHeader("Connection", "close");
	
	httpRequest.onreadystatechange = function() {
		if (httpRequest.readyState == 4) {
			if (httpRequest.status == 200) {
				//alert("(" + httpRequest.responseText + ")");
				if(httpRequest.responseText != "Failure") {
					showdiv_inline("forgot_found");
					hidediv("forgot_form_div");
				}
				else {
					showdiv_inline("user_doesnt_exist");
				}
			}
			else {
					showdiv_inline("server_fail");
			}
		}
	};
	
	httpRequest.send(params);
	return true;
}


function showdiv_inline(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'inline';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'inline';
		}
		else { // IE 4
			document.all.id.style.display = 'inline';
		}
	}
}