function showContactWarning(msg) {
	var warning = document.getElementById('warning');
	warning.style.display = 'block';
	warning.innerHTML = msg;
	sentTimer = setTimeout("hideContactWarning()",6000);
}
function hideContactWarning() {
	var warning = document.getElementById('warning');
	warning.style.display = 'none';
}
function validateFields() {

    var frmEl = document.getElementById('cForm');
    var posNname = document.getElementById('posNname');
    var posVname = document.getElementById('posVname');
    var posEmail = document.getElementById('posEmail');
    var posEmailValue = posEmail.value;
    var posText = document.getElementById('posText');
    
    var whiteSpace = /^[\s]+$/;
    
    var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    
        if ( posText.value == '' || whiteSpace.test(posText.value)) {
            var msg = '<strong style="color:red;">Bitte geben Sie eine Nachricht ein.</strong>';
            showContactWarning(msg);
        }
        else if ( posEmail.value == '') {
            var msg = '<strong style="color:red;">Das Formular enthält ungültige Eingaben.</strong>';
            showContactWarning(msg);
            frmEl.reset();
            posNname.focus();
        }
        else if (posEmailValue == '') {
            var msg ='<strong style="color:red;">Bitte geben Sie eine gültige Email-Adresse an.</strong>';
            showContactWarning(msg);
            posEmail.focus();
        }
        else if (posEmailValue != '') {
            if(!filter.test(posEmailValue))
            {
                var msg = '<strong style="color:red;">Bitte geben Sie eine gültige Email-Adresse an.</strong>';
                showContactWarning(msg);
                posEmail.focus();
            }
            else {
            sendPosEmail();
            }
        }
}
function sendPosEmail () {

	var success = document.getElementById('emailSuccess');
	var posNname = document.getElementById('posNname');
	var posVname = document.getElementById('posVname');
	var posEmail = document.getElementById('posEmail');
	var posText = document.getElementById('posText');
	var strCCvalue = '';
    

    var page = "scripts/xmlHttpRequest.php?contact=true&xml=true";
	
	showContactTimer(); // quickly begin the load bar
	success.style.display = 'none'; // hide the success bar (incase this is a multi-email
	
	var str1 = escape(posNname.value);
	var str2 = escape(posVname.value);
	var str6 = escape(posEmail.value);
	var str7 = escape(posText.value);
	
	var stuff = "selfCC="+strCCvalue+"&posNname="+str1+
    								 "&posVname="+str2+
                                     "&posEmail="+str6+
                                     "&posText="+str7;
	//stuff = encodeURI(stuff);
	loadXMLPosDoc(page,stuff)
}

function showContactTimer () {
	var loader = document.getElementById('loadBar');
	var msg = '<strong>Ihre Anfrage wird verarbeitet...</strong>';
	loader.style.display = 'block';
	loader.innerHTML = msg;
	sentTimer = setTimeout("hideContactTimer()",4000);
}

function hideContactTimer () {
	var loader = document.getElementById('loadBar');
	var success = document.getElementById('emailSuccess');
	var fieldArea = document.getElementById('contactFormArea');
	var inputs = fieldArea.getElementsByTagName('input');
	var inputsLen = inputs.length;
	var tAreas = fieldArea.getElementsByTagName('textarea');
	var tAreasLen = tAreas.length;
    
	// Hide the load bar alas! Done Loading
	loader.style.display = "none";
	success.style.display = "block";
	success.innerHTML = '<strong style="color:green;">&nbsp;&nbsp;'+grabPosXML("confirmation")+'</strong>';
	// Now Hijack the form elements
	for (i=0;i<inputsLen;i++) {
		if (inputs[i].getAttribute('type') == 'text') {
			inputs[i].value = '';
		}
	}
	for (j=0;j<tAreasLen;j++) {
		tAreas[j].value = '';
	}
}

function ajaxContact() {

	var frmEl = document.getElementById('cForm');
	addEvent(frmEl, 'submit', validateFields, false);
	frmEl.onsubmit = function() { return false; }
    
}

addEvent(window, 'load',ajaxContact, false);