function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}

function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}

function validare1(frm) {
	if((valButton(frm.RadioGroup1) == null)||(valButton(frm.RadioGroup2) == null)||(valButton(frm.RadioGroup3) == null))
	{
		alert("Trebuie sa raspundeti la aceasta intrebare pentru a continua!");
		return false;
	}
}

function validare2(frm) {
	if(valButton(frm.RadioGroup1) == null)
	{
		alert("Trebuie sa raspundeti la aceasta intrebare pentru a continua!");
		return false;
	}
}

function validare3(frm) {
	if((valButton(frm.RadioGroup1) == null)||(valButton(frm.RadioGroup2) == null))
	{
		alert("Trebuie sa raspundeti la aceasta intrebare pentru a continua!");
		return false;
	}
}

function validare4(frm) {
	if((valButton(frm.RadioGroup1) == null)||(valButton(frm.RadioGroup2) == null)||(valButton(frm.RadioGroup3) == null)||(valButton(frm.RadioGroup4) == null))
	{
		alert("Trebuie sa raspundeti la aceasta intrebare pentru a continua!");
		return false;
	}
}

function validareDate(frm) {
	if((frm.input1.value=="")||(frm.input2.value=="")||(frm.input3.value=="")||(frm.input4.value=="")||(frm.input5.value=="")||(frm.input6.value=="")||(frm.input7.value=="")||(frm.input8.value=="")||(frm.input9.value=="")||(frm.validator.value==""))
	{
		alert("Toate campurile sunt obligatorii!");
		return false;
	}
}

function validareTraining(frm) {
	if((frm.input1.value=="")||(frm.input2.value=="")||(frm.input3.value=="")||(frm.input4.value=="")||(frm.input5.value=="")||(frm.validator.value==""))
	{
		alert("EROARE! Nu ati completat toate campurile SAU nu ati completat codul de validare.");
		return false;
	}
}

function validareCV(frm) {
	if((frm.input1.value=="")||(frm.input2.value=="")||(frm.input3.value=="")||(frm.input4.value=="")||(frm.input5.value=="")||(frm.validator.value==""))
	{
		alert("EROARE! Nu ati completat toate campurile SAU nu ati completat codul de validare.");
		return false;
	}
}

function validareContact(frm) {
	if(frm.validator.value=="")
	{
		alert("EROARE! Nu ati completat codul de validare.");
		return false;
	}
}