function Price(t){
var s_price=t.options[t.selectedIndex].price;
return s_price;
}
function count(tt){
var price = Price(t);
var s = tt.value;
var sall = s * price;
document.myform.F11.value = sall;
}
var s_price=t.options[t.selectedIndex].price;
return s_price;
}
function count(tt){
var price = Price(t);
var s = tt.value;
var sall = s * price;
document.myform.F11.value = sall;
}
var s_price=t.options[t.selectedIndex].price;
.value