var isIECrap = -1;

function validateFormOnSubmit(theForm, isIECrap) {
  var reason = ""; 
  failed = 0;
  var error_order_name = (isIECrap == 1)?parent.error_order_name:document.getElementById("error_order_name");
  var error_order_email = (isIECrap == 1)?parent.error_order_email:document.getElementById("error_order_email");
  var error_order_phone = (isIECrap == 1)?parent.error_order_phone:document.getElementById("error_order_phone");
  var error_order_wedDate = (isIECrap == 1)?parent.error_order_wedDate:document.getElementById("error_order_wedDate");

  
  if( validateUsername(theForm.order_name) != "" ){
	error_order_name.innerHTML = validateUsername(theForm.order_name);
	failed = 1;
  } else {
	error_order_name.innerHTML = "teisingas";
  }

  if( validateEmail(theForm.order_email) != "" ){
	error_order_email.innerHTML = validateEmail(theForm.order_email);
	failed = 1;
  } else {
	error_order_email.innerHTML = "teisingas";
  }
  
  if( validatePhone(theForm.order_phone) != "" ){
	error_order_phone.innerHTML = validatePhone(theForm.order_phone);
	failed = 1;
  } else {
	error_order_phone.innerHTML = "teisingas";
  }
  
  if( validateEmpty(theForm.order_wedDate) != "" ){
	error_order_wedDate.innerHTML = validateEmpty(theForm.order_wedDate);
	failed = 1;
  } else {
	error_order_wedDate.innerHTML = "teisingas";
  }
  
	
  if( failed == 1 ){
    return false;
  }

  alert("Uzsakymas sekmingai uzregistruotas.");
  return true;
}
function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = "Nenurodyta vestuviu data.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}
function validateUsername(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "Nenurodytas uzsakovo vardas.\n";
    } else if ((fld.value.length < 5) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow'; 
        error = "Vartotojo vardas per ilgas/trumpas.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "Vartoto vardui nurodyti vartotini tik simboliai.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
function validatePassword(fld) {
    var error = "";
    var illegalChars = /[\W_]/; // allow only letters and numbers 
 
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "You didn't enter a password.\n";
    } else if ((fld.value.length < 7) || (fld.value.length > 15)) {
        error = "The password is the wrong length. \n";
        fld.style.background = 'Yellow';
    } else if (illegalChars.test(fld.value)) {
        error = "The password contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!((fld.value.search(/(a-z)+/)) && (fld.value.search(/(0-9)+/)))) {
        error = "The password must contain at least one numeral.\n";
        fld.style.background = 'Yellow';
    } else {
        fld.style.background = 'White';
    }
   return error;
}  
function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}
function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
        fld.style.background = 'Yellow';
        error = "Nenurodytas elektronio pasto adresas.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Nurodykite teisinga elektroni adresa.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "Elektronis adresas sudarytas is neleistinu simboliu.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/\+[\(\)\.\ ]/g, '');    

   if (fld.value == "") {
        error = "Nenurodytas kontaktinis telefonas.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "Kotaktinis telefonas sudarytas is nevartotinu simboliu (pvz.: +37068123456).\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 12)) {
        error = "Kontaktinis telefonas per ilgas/trumpas.\n";
        fld.style.background = 'Yellow';
    }
    return error;
}