function amcamion(x) {

if (x == 'alt_camion') {
rugaminte=prompt ("Va rugam introduceti tipul de camion!", "");
document.form.camion.options[(document.form.camion.options.length-1)]=new Option(rugaminte,rugaminte,true,true);
 }
 else document.form.camion.value=x;
}

function ammarfa(x) {

if (x == 'alta_marfa') {
rugaminte=prompt ("Va rugam introduceti tipul de marfa!", "");
document.form.marfa.options[(document.form.marfa.options.length-1)]=new Option(rugaminte,rugaminte,true,true);
 }
 else document.form.marfa.value=x;
}