var curFct;
var curLine = -1;
var scrolling = 5000;
var buffer = 40; // le nombre de caractere non ecrit par phrase
var vitesse = 10; // nombre de caractere par seconde, vitesse de frappe

function ChatLine(){
    clearInterval(curFct);
    curLine=curLine+1;
    if(document.all){
        document.all.chat.innerHTML=document.all.chat.innerHTML+'<div>'+tabChat[curLine]+'</div>';
        window.scrollTo(0,scrolling);
    }else if(document.getElementById){
        var str='';
        for(var i=0;i<=curLine;++i) str+='<div>'+tabChat[i]+'</div>';
        document.getElementById("chat").innerHTML=str;
        window.scrollTo(0,scrolling);
    }else if(document.layers){
        var str='';
        for(var i=0;i<=curLine;++i) str+='<div>'+tabChat[i]+'</div>';
        document.layers["chat"].document.close();
        document.layers["chat"].document.write(str);
        document.layers["chat"].document.close();
        window.scrollTo(0,scrolling);
    }
    if(curLine+1>=tabChat.length) return;
    curFct = setInterval("ChatLine()",1000*(Math.floor((tabChat[curLine+1].length-buffer)/vitesse)+1));
}

function Start(){
    if(tabChat.length>0) curFct = setInterval("ChatLine()",1000*(Math.floor((tabChat[0].length-buffer)/vitesse)+1));
}