function selectPersFizica()
            {
                var but1=document.getElementById('button_pfizica');
                var but2=document.getElementById('button_pjuridica');
                but1.className='green';
                but2.className='gray';
                var el1=document.getElementById('pers_fizica');
                var el2=document.getElementById('pers_juridica');
                el1.style.display='block';
                el2.style.display='none';
                document.getElementById('type').value='1';
            }

            function selectPersJuridica()
            {
                var but1=document.getElementById('button_pfizica');
                var but2=document.getElementById('button_pjuridica');
                but1.className='gray';
                but2.className='green';
                var el1=document.getElementById('pers_fizica');
                var el2=document.getElementById('pers_juridica');
                el1.style.display='none';
                el2.style.display='block';
                document.getElementById('type').value='2';
            }