var testresults
function checkemail(){
var str=dodaj.email.value
var filter=/^(\w+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
if (filter.test(str))
{
testresults=true;
}
else{
alert("Niepoprawny format adresu!");
dodaj.email.focus();
testresults=false
}
return (testresults)
}

function checkbae(){
if (document.layers||document.getElementById||document.all)
return checkemail()
else
return true
}


function nopuste()
{

if (dodaj.email.value=="")
{
 alert ("Enter your email.");
 dodaj.email.focus();
 return false;
}

else if (dodaj.email.value=="wpisz email a ...")
{
 alert ("Pole musi zawierac adres email!.");
 dodaj.email.focus();
 return false;
}
return checkbae()
}