function calculate_unit(){ var c_date=document.form__conversie.c_date.value.split('/'); if(c_date.length==3){ var abreise = new Date( c_date[2], c_date[1]-1, c_date[0] ) var msProTag = 1000*60*60*24; var today = new Date() var diff = Math.max( 0, (abreise.getTime() - today.getTime()) ) var nights = Math.floor( (diff+16*60*60*1000) / msProTag); document.form__conversie.rezultat.value=nights; }else{ alert('Formatul datei nu este corect'); } } document.write(" ");document.write(" ");document.write("