function objecteAjax(){
	var xmlhttp=false;
	try {
		//xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP.4.0");
	} catch (e) {
		try {
		   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) { xmlhttp = false; }
	}
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}
var ajax;
var objMenu;
var ajaxUs;

function enviaMail(){
	esNom=document.getElementById('nom').value;
	esTelf=document.getElementById('telf').value;
	esMail=document.getElementById('mail').value;
	esMissatge=document.getElementById('missatge').value;
	if(esNom == '' || esTelf == '' || esMissatge == '')
	{
	  alert('mail error');
	}
	else
	{
		//alert('e-Mail OK!');
		//esborraMail();
		//on mostrarem les dades
		divEnviat = document.getElementById('enviat');
		if (ajax && ajax.readyState != 0) {
				ajax.abort();
			}
		//instanciem objecteAjax
	  	ajax=objecteAjax();
	  	ajax.open("POST", "./funcions/enviaCorreu.php",true);
	  	ajax.onreadystatechange=function() {
		  if (ajax.readyState==4) {
			  divEnviat.innerHTML = ajax.responseText;
			  alert('e-Mail OK!');
			  document.getElementById('nom').value = "";
			  document.getElementById('telf').value = "";
			  document.getElementById('mail').value = "";
			  document.getElementById('missatge').value = "";
		  }
	  }  
	  ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 	  
	  ajax.send("nom="+esNom+"&telf="+esTelf+"&email="+esMail+"&missatge="+esMissatge);
	}
	
}
function esborraMail(){
	document.getElementById('nom').value = "";
	document.getElementById('telf').value = "";
	document.getElementById('mail').value = "";
	document.getElementById('missatge').value = "";
	//document.getElementById('confirmacio').style.display='none';
}
function pause(millisecondi)
{
    var now = new Date();
    var exitTime = now.getTime() + millisecondi;

    while(true)
    {
        now = new Date();
        if(now.getTime() > exitTime) return;
    }
    //document.getElementById('confirmacio').style.display='none';
}