function showdomen(entry) {
        
        if(entry==1) document.getElementById('alldomens').style.display='';
        if(entry==2) document.getElementById('alldomens').style.display='none'; 
    }
    
    
  function sh(entry,ids) {
    
    document.getElementById('logo'+ids).src='/files/'+entry;
    
}


function prov(form) {
    
    if(form.name.value=='' || form.email.value=='' || form.phone.value=='' || form.subject.value=='' || form.message.value=='') {alert('Заполните все поля'); return false;}
    else return true;
                        }