// JavaScript Document
function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sendemail() {
	var msg = escape(document.contactform.msg.value);
	var name = escape(document.contactform.name.value);
	var email = escape(document.contactform.email.value);
	var subject = escape(document.contactform.subject.value);
	document.contactform.send.disabled=true; 
	document.contactform.send.value='Skickat...';

    http.open('get', 'model/kontakt_model.php?msg='+msg+'&name='+name+'&subject='+subject+'&email='+email+'&action=send');
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function check_values() {
	var valid = '';
	
	var name = document.getElementById("name").value;
	var email = document.getElementById("email").value;
	var subject = document.getElementById("subject").value;
	var body = document.getElementById("msg").value;
	var missingText = "";
	
	if(trim(name) == "" || trim(email) == "" ||	trim(subject) == "" || trim(body) == "") {

	if(trim(name) == ""){
		missingText += 'Namn saknas!<br />';
	}
		
	if(trim(email) == ""){
		missingText += 'E-post saknas!<br />';
	}

	if(trim(subject) == ""){
		missingText += 'Ämne saknas!<br />';
	}

	if(trim(body) == ""){
		missingText += 'Du måste skriva ett meddelande!<br />';
	}

	//alert("Fyll i alla fälten");
	document.getElementById('formInformation').style.display="block";
	document.getElementById('formInformation').innerHTML = missingText;
			
	} else {
		if(isEmail(email)) {
			document.getElementById("sendContactForm").disabled=true;
			document.getElementById("sendContactForm").value='Vänta...';
			sendemail();
		} else {
			document.getElementById('formInformation').style.display="block";
			document.getElementById('formInformation').innerHTML = "Email verkar ogiltigt, kontrollera och försök igen!";

			document.getElementById("email").focus();
			document.getElementById("email").select();
		}
	}
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();

        if(response.indexOf('|' != -1)) {
            update = response.split('|');
            document.getElementById('formInformation').style.display="block";
			document.getElementById('formInformation').style.borderColor="#7FE817";
			document.getElementById('formInformation').style.backgroundColor="#CCFFCC";			
			document.getElementById(update[0]).innerHTML = update[1];
         
        }
    }
}

function isUndefined(a) {
   return typeof a == 'undefined';
}

function trim(a) {
	return a.replace(/^s*(S*(s+S+)*)s*$/, "$1");
}

function isEmail(a) {
   return (a.indexOf(".") > 0) && (a.indexOf("@") > 0);
}