function in_f(){this.style.background='#ffc'}
function out_f(){this.style.background='#fff'}
function trim(s){return s.replace(/^\s*|\s*$/g,'')}
function test(p){var i,n,f=D.forms[0],e=f.elements,b='Proszę wpisać '
if(trim(e['osoba'].value)==''){alert(b+'imię i nazwisko');e['osoba'].focus();W.scrollBy(0,-20);return false}
n=/^[\w-\.]+\@[\w\.-]+\.[a-z]{2,4}$/
if(!n.test((e['mail'].value))){alert(b+'prawidłowy adres e-mail');e['mail'].focus();W.scrollBy(0,-20);return false}
for(i=0,n=p.length;i<n;++i)if(trim(e[p[i][0]].value)==''){alert(b+p[i][1]);e[p[i][0]].focus();W.scrollBy(0,-20);return false}
return true}