function calculate() {
A = eval(document.commande.logiciel.value)
B = eval(document.commande.nombre.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = eval(document.commande.cdrom.value)*B;
D = eval(document.commande.cremboursement.value);
<!--  A = Number(A)
// B = Number(B)-->
if (C > 0)
{
 if (D > 0)
 {
 J = C + 9.5;
 E = I + J;
 }
 else
 {
 E = I + C + D
 }
}
else
{
E = I + C + D
}

document.commande.total.value = E
}

function calculatemediamixer() {
A = 75
B = eval(document.mediamixer.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.mediamixer.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*25);
document.mediamixer.totalmediamixer.value = E;
}



function sharemediamixer(){
B = eval(document.mediamixer.PRODUCT.value);
D = document.mediamixer.DELIVERY.value ;
C = document.mediamixer.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051112]="+B+"&DELIVERY[300051112]="+D+"&ADDITIONAL1[300051112]="+C;
window.open(S1,"_blank");
}




function calculatemediamixerpro() {
A = 140
B = eval(document.mediamixerpro.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.mediamixerpro.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*25);
document.mediamixerpro.totalmediamixerpro.value = E;
}



function sharemediamixerpro(){
B = eval(document.mediamixerpro.PRODUCT.value);
D = document.mediamixerpro.DELIVERY.value ;
C = document.mediamixerpro.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051119]="+B+"&DELIVERY[300051119]="+D+"&ADDITIONAL1[300051119]="+C;
window.open(S1,"_blank");
}




function calculatetwinplayer() {
A = 110
B = eval(document.twinplayer.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.twinplayer.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*25);
document.twinplayer.totaltwinplayer.value = E;
}


function sharetwinplayer(){
B = eval(document.twinplayer.PRODUCT.value);
D = document.twinplayer.DELIVERY.value ;
C = document.twinplayer.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051120]="+B+"&DELIVERY[300051120]="+D+"&ADDITIONAL1[300051120]="+C;
window.open(S1,"_blank");
}


function calculatetwinplayerpro() {
A = 190
B = eval(document.twinplayerpro.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.twinplayerpro.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*25);
document.twinplayerpro.totaltwinplayerpro.value = E;
}

function sharetwinplayerpro(){
B = eval(document.twinplayerpro.PRODUCT.value);
D = document.twinplayerpro.DELIVERY.value ;
C = document.twinplayerpro.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051122]="+B+"&DELIVERY[300051122]="+D+"&ADDITIONAL1[300051122]="+C;
window.open(S1,"_blank");
}



function calculatewebmixer() {
A = 75
B = eval(document.webmixer.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.webmixer.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*25);
document.webmixer.totalwebmixer.value = E;
}

function sharewebmixer(){
B = eval(document.webmixer.PRODUCT.value);
D = document.webmixer.DELIVERY.value ;
C = document.webmixer.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051123]="+B+"&DELIVERY[300051123]="+D+"&ADDITIONAL1[300051123]="+C;
window.open(S1,"_blank");
}


function calculatewebmixerpro() {
A = 140
B = eval(document.webmixerpro.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.webmixerpro.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*25);
document.webmixerpro.totalwebmixerpro.value = E;
}

function sharewebmixerpro(){
B = eval(document.webmixerpro.PRODUCT.value);
D = document.webmixerpro.DELIVERY.value ;
C = document.webmixerpro.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051126]="+B+"&DELIVERY[300051126]="+D+"&ADDITIONAL1[300051126]="+C;
window.open(S1,"_blank");
}


function calculatewebstory() {
A = 23
B = eval(document.webstory.PRODUCT.value)
if (B <= 1)
{
I = A * B;
}
else
{
 if (B <=5)
 {
 I = (A * 70 * B) /100
 }
 else
 {
 I = (A * 60 * B) /100
 }
}
C = document.webstory.DELIVERY.value ;
E = I;
if (C == 'SNL')
E = I + (B*12);
document.webstory.totalwebstory.value = E;
}

function sharewebstory(){
B = eval(document.webstory.PRODUCT.value);
D = document.webstory.DELIVERY.value ;
C = document.webstory.ADDITIONAL1.value ;

S1="https://secure.shareit.com/shareit/checkout.html?";
S1 = S1+"PRODUCT[300051127]="+B+"&DELIVERY[300051127]="+D+"&ADDITIONAL1[300051127]="+C;
window.open(S1,"_blank");
}