// JavaScript Document
function validateFormOnSubmit(theForm) {
var reason = "";

  reason += validateName(theForm.txtName);
  reason += validateEmail(theForm.txtEmail);
  reason += validateMsg(theForm.txtMsg);
  reason += validateEnquiry(theForm.selectEnquiry);
  reason += validateMsg(theForm.selectEnquiry);
  reason += validateCode(theForm.txtSecurityCode);
  //reason += validateEmpty(theForm.from);
      
  if (reason != "") {
    alert("The following fields need correction:\n" + reason);
    return false;
  }

  //alert("All fields are filled correctly");
  return true;
}
function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'darkolivegreen'; 
        error = "Please complete the required fields.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

function validateName(fld) {
    var error = "";
	
    if (fld.value == "") {
        fld.style.background = 'darkolivegreen'; 
        error = "Please enter your name.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function validateMsg(fld) {
    var error = "";
 
    if (fld.value == "") {
        fld.style.background = 'darkolivegreen'; 
        error = "Please type a message.\n";
    }  else {
        fld.style.background = 'White';
    }
    return error;
}

function validateCode(fld) {
    var error = "";
 
    if (fld.value == "") {
        fld.style.background = 'darkolivegreen'; 
        error = "Please enter the security code.\n";
    }  else {
        fld.style.background = 'White';
    }
    return error;
}

function validateEnquiry(fld) {
    var error = "";
    var box1 =  fld.selectedIndex;
    var val = fld.options[box1].text;
    if (val == "---???? ??? ?????????---") {
        fld.style.background = 'darkolivegreen'; 
        error = "Please select enquiry type.\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 = 'darkolivegreen';
        error = "Please enter your email.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'darkolivegreen';
        error = "This email is not in the correct format.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'darkolivegreen';
        error = "The email contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

//function validatePhone(fld) {
//    var error = "";
//    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

//   if (fld.value == "") {
//        error = "You didn't enter a phone number.\n";
//       fld.style.background = 'Yellow';
//    } else if (isNaN(parseInt(stripped))) {
//        error = "The phone number contains illegal characters.\n";
//        fld.style.background = 'Yellow';
//    } else if (!(stripped.length == 9)) {
//        error = "The phone number is the wrong length. Make sure you included an area code.\n";
//        fld.style.background = 'Yellow';
//    }
//    return error;
//}

//function validateMobile(fld) {
//    var error = "";
//    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

//   if (fld.value == "") {
//        error = "You didn't enter a mobile number.\n";
//        fld.style.background = 'Yellow';
//    } else if (isNaN(parseInt(stripped))) {
//        error = "The mobile number contains illegal characters.\n";
//        fld.style.background = 'Yellow';
//    } else if (!(stripped.length == 10)) {
//        error = "The mobile number is the wrong length. Make sure you included an area code.\n";
//        fld.style.background = 'Yellow';
//    }
//    return error;
//}