function checkrequired(which){
var pass=true

if (document.step.user.value.length <"4"){
document.step.user.style.backgroundColor="yellow"
return false
}else{
document.step.user.style.backgroundColor="white"
}

if (document.step.pass1.value.length <"5"){
document.step.pass1.style.backgroundColor="yellow"
return false
}else{
document.step.pass1.style.backgroundColor="white"
}

if (document.step.pass2.value.length <"5")
{
document.step.pass2.style.backgroundColor="yellow"
return false
}else{
document.step.pass2.style.backgroundColor="white"
}

if (document.step.pass1.value != document.step.pass2.value){
document.step.pass2.style.backgroundColor="red"
document.step.pass1.style.backgroundColor="red"
return false
}else{
document.step.pass2.style.backgroundColor="white"
document.step.pass1.style.backgroundColor="white"
}


// sprawdzanie czy login jest taki sam jak pass



if (document.step.pass1.value == document.step.user.value){
document.step.user.style.backgroundColor="lightgreen"
document.step.pass2.style.backgroundColor="lightgreen"
document.step.pass1.style.backgroundColor="lightgreen"
return false
}else{
document.step.user.style.backgroundColor="white"
document.step.pass2.style.backgroundColor="white"
document.step.pass1.style.backgroundColor="white"
}



if (document.step.email.value ==""){
document.step.email.style.backgroundColor="yellow"
return false
}else{
document.step.email.style.backgroundColor="white"
}

return true
}