function checkform(of) { var reqfields,em,i,f,ty; var failed = false; if(document.getElementById('required')) { reqfields=document.getElementById('required').value.split(','); if(document.getElementById('errormsg')) { em=document.getElementById('errormsg'); em.parentNode.removeChild(em); } for(i=0;i<reqfields.length;i++) { f=document.getElementById(reqfields[i]); f.style.background='white'; if(f) { ty=f.type.toLowerCase(); switch(ty) { case 'text': if(f.value=='') {adderr(f.id,of); failed = true;} if(f.id=='EMail' && !isEmailAddr(f.value)) { adderr(f.id,of); failed = true; } break; case 'textarea': if(f.value=='') {adderr(f.id,of); failed = true;} break; case 'checkbox': if(!f.checked) {adderr(f.id,of); failed = true;} break; } } } } if (failed) { alert('Le pregiamo di compilare tutti i campi obligatori!'); return false; } } function adderr(id,of) { var se,i,nli,na; se=document.getElementById(id); se.style.background='#fcc'; } function isEmailAddr(str) { return str.match(/^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/); }