function preis() 
{ 
checkform () 
var b=2.5; 
var d=0; 
if (document.form.devis.selectedIndex == 0){d = 30;}
if (document.form.devis.selectedIndex == 1){d = 8;}
if (document.form.devis.selectedIndex == 2){d = 126;}
if (document.form.devis.selectedIndex == 3){d = 748;}
if (document.form.devis.selectedIndex == 4){d = 93;}
if (document.form.devis.selectedIndex == 5){d = 36;}
if (document.form.devis.selectedIndex == 6){d = 67;}
if (document.form.devis.selectedIndex == 7){d = 50;}
if (document.form.devis.selectedIndex == 8){d = 11;}
if (document.form.devis.selectedIndex == 9){d = 80;}
if (document.form.devis.selectedIndex == 10){d = 18;}
if (document.form.devis.selectedIndex == 11){d = 27;}
if (document.form.devis.selectedIndex == 12){d = 354;}
if (document.form.devis.selectedIndex == 13){d = 14;}
if (document.form.devis.selectedIndex == 14){d = 16;}
if (document.form.devis.selectedIndex == 15){d = 15;}
if (document.form.devis.selectedIndex == 16){d = 24;}
if (document.form.devis.selectedIndex == 17){d = 148;}
if (document.form.devis.selectedIndex == 18){d = 11;}
var x = b+1.5*d;
var z=Math.round(x*100)/100 + " €"
document.form.euro.value = ""; 
document.form.euro.value = z;

}
function checkform () 
{ 
document.form.euro.focus (); 
document.form.euro.select (); 
}