function Popup(Adresse_de_la_page,Nom_de_la_fenetre) 
{ 
    window.open(Adresse_de_la_page);
}

function ShowCalculatriceSushis(url)
{
   Popup(url, 'Calculatrice à sushis');
}

function ComputeSushi()
{
   
    var tbNbMaki= document.getElementById("tbNbMaki");    
    var tbNbFutomaki= document.getElementById("tbNbFutomaki");    
    var tbNbCaliforniaMaki= document.getElementById("tbNbCaliforniaMaki");    
    var tbNbSushi= document.getElementById("tbNbSushi");    
    var spQtRizSec= document.getElementById("spQtRizSec");    
    var spQtEau= document.getElementById("spQtEau");    
    var spQtVinaigre= document.getElementById("spQtVinaigre");    
    var spQtSucre= document.getElementById("spQtSucre");    
    var spQtSel= document.getElementById("spQtSel");    
    var spQtNori= document.getElementById("spQtNori");    
    var spQtPoisson= document.getElementById("spQtPoisson");    
    var spQtSurimi= document.getElementById("spQtSurimi");    
    var spQtAvocat= document.getElementById("spQtAvocat");    
    var spQtSesame= document.getElementById("spQtSesame");    
    var spQtRizCuit= document.getElementById("spQtRizCuit");    

    var nbMaki = 0;
    var nbFutoMaki = 0;
    var nbCaliforniaMaki = 0;
    var nbSushi = 0;

    if (tbNbMaki.value)
        nbMaki = parseInt(tbNbMaki.value);
    if (tbNbFutomaki.value)
        nbFutoMaki = parseInt(tbNbFutomaki.value);
    if (tbNbCaliforniaMaki.value)
        nbCaliforniaMaki = parseInt(tbNbCaliforniaMaki.value);
    if (tbNbSushi.value)
        nbSushi = parseInt(tbNbSushi.value);
    
    var qtRizCuit = nbMaki * 75
                + nbFutoMaki * 150
                + nbCaliforniaMaki * 150
                + nbSushi * 30;
    
    var qtRizSec = Math.round(qtRizCuit * 600 / 1300);
    var qtEau = Math.round(qtRizCuit * 750 / 1300);
    var qtVinaigre = Math.round(qtRizCuit * 125 / 1300);
    var qtSucre = Math.round(qtRizCuit * 55 / 1300);
    var qtSel = Math.round(qtRizCuit * 5 / 1300)/10;
    var qtNori = 0.5 * nbMaki + 0.5 * nbCaliforniaMaki + nbFutoMaki;
    var qtPoisson = 35 * nbMaki + 50 * nbFutoMaki + 25 * nbSushi;
    var qtSurimi = 2 * nbCaliforniaMaki;
    var qtAvocat = (nbCaliforniaMaki % 3) ? nbCaliforniaMaki + 3 - nbCaliforniaMaki % 3 : nbCaliforniaMaki;
    qtAvocat /= 6;
    var qtSesame = nbCaliforniaMaki;
    
    spQtRizSec.innerHTML = "" + qtRizSec;
    spQtEau.innerHTML = "" + qtEau;
    spQtVinaigre.innerHTML = "" + qtVinaigre;
    spQtSucre.innerHTML = "" + qtSucre;
    spQtSel.innerHTML = "" + qtSel;
    spQtNori.innerHTML = "" + qtNori;
    spQtPoisson.innerHTML = "" + qtPoisson;
    spQtSurimi.innerHTML = "" + qtSurimi;
    spQtAvocat.innerHTML = "" + qtAvocat;
    spQtSesame.innerHTML = "" + qtSesame;
    spQtRizCuit.innerHTML = "" + qtRizCuit;
}