function suscripcio(){
	var div_butlleti = document.getElementById('div_butlleti');
	var div_butlleti_load = document.getElementById('div_butlleti_load');
	var email = document.getElementById('txt_email_butlleti');
	var chk_juniors = document.getElementById('chk_juniors');
	var chk_majors = document.getElementById('chk_majors');

if(email.value==''){
	alert("has d'introduir el teu correu electronic");
	email.focus();
}else{


if(!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(email.value) ){
	alert("has d'introduir un correu electronic valid");
	email.focus();
}else{











if (!chk_juniors.checked && !chk_majors.checked)alert("t'has de subscriure com a minim a un butellti");
else{

div_butlleti.style.display='none';
div_butlleti_load.style.display='';

if (chk_juniors.checked && chk_majors.checked)tipus=2;
if (!chk_juniors.checked && chk_majors.checked)tipus=1;
if (chk_juniors.checked && !chk_majors.checked)tipus=0;



	if(ajax.readyState != 4){
		ajax = getXHR();
	}

url='seccio.php?on=butlleti&email='+email.value+'&t='+tipus+'&force=1';



	aleatori = '&hash=' + Math.random();



	ajax.open('GET', url+aleatori, true);

	ajax.onreadystatechange=function()
	{
		if (ajax.readyState==4)
		{
if(ajax.status==200)
	                {

div_butlleti.style.display='';
div_butlleti_load.style.display='none';
alert("t'has subscrit al bulleti");



/*	switch(ajax.responseText){


		case "0":
			alert("ja estas subscrit al butlleti");
			break;
		case "1":
			alert("t'has subscrit al bulleti");
			break;
	}*/




	
}
		}
	}
	ajax.send('');





}











}














}










}