/* ---------------------------- */
/* 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();

/* -------------------------- */
/* INSERT */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;

function insert() 
{
	// Optional: Show a waiting message in the layer with ID login_response
	document.getElementById('insert_response').innerHTML = "<p>Just a second...</p>"
	// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
	var s_name= encodeURI(document.getElementById('s_name').value);
	var s_email = encodeURI(document.getElementById('s_email').value);
	// Set te random number to add to URL request
	nocache = Math.random();
	// Pass the login variables like URL variable
	http.open('get', '/php/process.php?s_name='+s_name+'&s_email=' +s_email+'&nocache = '+nocache);
	http.onreadystatechange = insertReply;
	http.send(null);
}

function insertReply() 
{
	if(http.readyState == 4)
	{ 
		var response = http.responseText;
		// else if login is ok show a message
		document.getElementById('insert_response').innerHTML = '<p>'+response+'</p>';
	}
}