//validatory formularzy
function validate(f,v,a,x){ for(a=0;x=f[a++];) if((v=window[x.getAttribute('valid')])&&!v(x.value)) {alert(x.getAttribute('alert'));return!x.focus()} }
function niepuste(x){return x>''}
function email(e){return /^[\w\.-]{2,}@[\w\.-]+\.[a-z]{2,5}$/i.test(e)}