function tr(obj){
s=obj.value;
re=/^\s+/;s=s.replace(re, '');
re=/\s+$/;s=s.replace(re, '');
obj.value=s;return s;
}
function ve(e){
ind=e.indexOf('\@');return (ind>0 && ind<s.length-1?true:false);
}
function validate(f){
p='Ââåäèòå ';
if (tr(f.email)==''||!ve(f.email.value)) {alert(p+'ïðàâèëüíûé email!'); return false;}
return true;
}