function ajax(){
if(window.XMLHttpRequest) xhr=new XMLHttpRequest();
else if(window.ActiveXObject) xhr=new ActiveXObject("Microsoft.XMLHTTP");
else alert('Navigateur trop pourri pour voir ce site !');}

function button(){
if(document.fcom.pseudo.value!='' && document.fcom.message.value!='') document.fcom.submit.disabled=false; else document.fcom.submit.disabled=true;}

function com(i){
pseudo=document.fcom.pseudo.value;
pseudo=pseudo.replace(/&/g,';amp;');
pseudo=pseudo.replace(/\+/g,';plu;');
message=document.fcom.message.value;
message=message.replace(/&/g,';amp;');
message=message.replace(/\+/g,';plu;');
if(pseudo!='' && message!=''){
ajax();xhr.open('POST','page.php',false);
xhr.setRequestHeader('Content-type','application/x-www-form-urlencoded');
xhr.send('i='+i+'&pseudo='+pseudo+'&com='+message);
if(xhr.readyState==4){document.fcom.submit.disabled=true;
document.getElementById('com').innerHTML=xhr.responseText+document.getElementById('com').innerHTML;}}}

function mail(){
from=document.mail.from.value;
subject=document.mail.subject.value;
message=document.mail.message.value;
message=message.replace(/\n/g,'<br />');
if(message!=''){
ajax();xhr.open('GET','page.php?from='+from+'&subject='+subject+'&mail='+message,false);xhr.send(null);
if(xhr.readyState==4){document.getElementById('submit').disabled=true;document.getElementById('submit').value='Message envoyé !';}}}

function page(i){
ajax();xhr.open('GET','page.php?i='+i,false);xhr.send(null);
if(xhr.readyState==4) document.getElementById('page').innerHTML=xhr.responseText;
document.getElementById('page').scrollTop=0;}

function show(i){
if(document.getElementById(i).style.display=='') document.getElementById(i).style.display='none'; else document.getElementById(i).style.display='';}