// JavaScript Document

// Parent Validation Function
function validateFormOnSubmit(theForm) {
var reason = "";

   reason += validatePhone(theForm.phone);
   reason += validateMailfrom(theForm.mailfrom);
        
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

  return true;
}

// Function to Validate Email Field
function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}

function validateMailfrom(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var mailfromFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    //if (fld.value == "") {
        //fld.style.background = 'Yellow';
        //error = "You didn't enter an email address.\n";
    //} else
	if (!mailfromFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

// Function to Validate Phone Number
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 = "Please enter a valid phone number.\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    } else {
        fld.style.background = 'White';
	}
    return error;
}