function oldal(old)
{
SetCookie("oldal",old);
window.location.href="cart.php"; 
}

function increment (prod)
{

if (belepett != 1) {
uj=window.open("kerdes1.php","keredes1","toolbar=no,directories=no,menubar=no,width=600,height=130, scrollbars=no, screenX=100, screenY=100, alwaysLowered=yes, z-lock=yes");
return 0;
}

if (document.form10["quantity"+prod].value==0){document.form10["quantity"+prod].value++;}
document.form10["quantity"+prod].value=Math.round(document.form10["quantity"+prod].value);





if (isNaN(document.form10["quantity"+prod].value)==true){document.form10["quantity"+prod].value=0;}

document.form10["total"+prod].value=cent(document.form10["quantity"+prod].value*document.form10["egysegar"+prod].value,devider);
if (document.form10["quantity"+prod].value<=0){
 document.form10["quantity"+prod].value=0
 document.form10["total"+prod].value=0
 return 0;
 }
//somma();
darab=document.form10["quantity"+prod].value;
szam=prod;
SetCookie("kuldheto",0);
SetCookie("beir",szam +";"+darab);
//window.location="cart.php"
c=window.open("kosar.php","Kosar","width=400,height=200, left= 50, scrollbars=no, alwaysRaised=yes");

}



function decrement (prod)
{

if (belepett != 1) {
uj=window.open("kerdes1.php","keredes1","toolbar=no,directories=no,menubar=no,width=450,height=100, scrollbars=no, screenX=100, screenY=100, alwaysLowered=yes, z-lock=yes");
return 0;
}
if (document.form10["quantity"+prod].value<=0){
document.form10["quantity"+prod].value=0
 document.form10["total"+prod].value=0
 return 0;
 }

document.form10["quantity"+prod].value--;
document.form10["total"+prod].value=cent(document.form10["quantity"+prod].value*document.form10["egysegar"+prod].value,devider);
//somma();
darab=document.form10["quantity"+prod].value;
szam=prod;
SetCookie("kuldheto",0);
SetCookie("beir",szam +";"+darab);
//window.location="cart.php"
c=window.open("kosar.php","Kosar","width=400,height=200, left= 50, scrollbars=no");

}