// JavaScript Document
function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }

function validate(str) {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(str) == false) {
		return false;
   }
}

function submitform(){
	var prenom = document.getElementById("prenom");
	var prenommsgerror = document.getElementById("prenommsgerror");
	
	var nom = document.getElementById("nom");
	var nommsgerror = document.getElementById("nommsgerror");
	
	var entreprise = document.getElementById("entreprise");
	var entreprisemsgerror = document.getElementById("entreprisemsgerror");
	
	var email = document.getElementById("emailmsg");
	var emailmsgerror = document.getElementById("emailmsgerror");
	
	var sujet = document.getElementById("sujet");
	var sujetmsgerror = document.getElementById("sujetmsgerror");
	
	var message = document.getElementById("message");
	var messagemsgerror = document.getElementById("messagemsgerror");
	
	var x = 1;
	var script = "contact-us-mail.php?prenom=" + prenom.value + "&nom=" + nom.value + "&entreprise=" + entreprise.value + "&email=" + email.value + "&sujet=" + sujet.value + "&message=" + message.value;
	prenommsgerror.innerHTML = "";  emailmsgerror.innerHTML = ""; messagemsgerror.innerHTML = "";nommsgerror.innerHTML = "";sujetmsgerror.innerHTML = ""; entreprisemsgerror.innerHTML = "";
	
	if (prenom.value == "") {
		prenommsgerror.innerHTML = "please enter your prenom!";
		x = 0;
		
	}
	
	if (nom.value == "") {
		nommsgerror.innerHTML = "please enter your nom!";
		x = 0;
	}
	
	if (entreprise.value == "") {
		entreprisemsgerror.innerHTML = "please enter  de l'entreprise!";
		x = 0;
	}
	if (email.value == "") {
		emailmsgerror.innerHTML = "please enter your email!";
		x = 0;
	}else
		if (validate(email.value)==false){
			emailmsgerror.innerHTML="please enter a valid email address!";
			x = 0;
		}
	
	if (sujet.value == "") {
		sujetmsgerror.innerHTML = "please enter sujet!";
		x = 0;
	}
	
	if (message.value == "") {
		messagemsgerror.innerHTML = "please enter your message!";
		x = 0;
	}
		
	if (x) return true;//makerequest(script,'messagesnt');
	
	return false;
}
	var xmlhttp = false;
        try {
            xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (E) {
                xmlhttp = false;
            }
        }
        if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
            xmlhttp = new XMLHttpRequest();
        }
        
        function makerequest(serverPage, objID) {
            
            var obj = document.getElementById(objID);
            xmlhttp.open("GET", serverPage);
            xmlhttp.onreadystatechange = function() {
                if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                    obj.innerHTML = xmlhttp.responseText;
                }
            }
            xmlhttp.send(null);
        }