function initComponents(){
    document.getElementById('leftbar').style.height = (document.getElementById('middle').offsetHeight + 2) + 'px'
}

var xmlHttp;

function GetXmlHttpObject(){
    var xmlHttp = null;
    try {
        // Firefox, Opera 8.0+, Safari
        xmlHttp = new XMLHttpRequest();
    } 
    catch (e) {
        // Internet Explorer
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        } 
        catch (e) {
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}

function sendMail(){
    if (document.getElementById("fname").value == "") {
        alert('Please insert your name');
        document.getElementById("fname").focus();
    }
    
    if (document.getElementById("femail").value == "") {
        alert('Please insert your email');
        document.getElementById("femail").focus();
    }
    
    if (document.getElementById("fcomments").value == "") {
        alert('Please insert your comments');
        document.getElementById("fcomments").focus();
    }
	
	if (document.getElementById("femail").value != document.getElementById("cemail").value) {
        alert('Your email ' + document.getElementById("femail").value + ' does not match with your email confirmation ' + document.getElementById("cemail").value + ', please verify it.');
        document.getElementById("femail").focus();
    }
    
    xmlHttp = GetXmlHttpObject();
    if (xmlHttp == null) {
        alert("Your browser does not support AJAX!");
        return;
    }
    xmlHttp.onreadystatechange = function(){
        if (xmlHttp.readyState == 4) {
            if (xmlHttp.responseText == "0") {
                alert("Your message has been sent. You will be redirected.");
                window.location = 'index.php';
            }
            else {
                alert(xmlHttp.responseText);
            }
        }
    };
    var url = "name=" + document.getElementById("fname").value + "&email=" + document.getElementById("femail").value;
    url += "&country=" + document.getElementById("country").getSelection;
    url += "&city=" + document.getElementById("city").value;
	url += "&comments=" + document.getElementById("fcomments").value;
    xmlHttp.open("POST", "services/email_services.php", true);
    xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xmlHttp.send(url);
}