function validateName(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'lightyellow'; 
        error = "You forgot your name.\n"
    } else {
        fld.style.backgroundImage = 'url(/data/assets/pringo/images/input-text-bkgd.jpg)';
    }
    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 = 'lightyellow';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'lightyellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'lightyellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}
function validatePhone(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'lightyellow'; 
        error = "You forgot your phone number.\n"
    } else {
        fld.style.backgroundImage = 'url(/data/assets/pringo/images/input-text-bkgd.jpg)';
    }
    return error;  
}
function validatePosition(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'lightyellow'; 
        error = "You forgot a position.\n"
    } else {
        fld.style.backgroundImage = 'url(/data/assets/pringo/images/input-text-bkgd.jpg)';
    }
    return error;  
}
function validateResume(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'lightyellow'; 
        error = "You forgot to paste your resume.\n"
    } else {
        fld.style.backgroundImage = 'url(/data/assets/pringo/images/input-text-bkgd.jpg)';
    }
    return error;  
}
function validateComments(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'lightyellow'; 
        error = "You forgot to say something.\n"
    } else {
        fld.style.backgroundImage = 'url(/data/assets/pringo/images/input-text-bkgd.jpg)';
    }
    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 = 'lightyellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'lightyellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'lightyellow';
    }
    return error;
}
function validateCompany(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'lightyellow'; 
        error = "You forgot to fill in your Company.\n"
    } else {
        fld.style.backgroundImage = 'url(/data/assets/pringo/images/input-text-bkgd.jpg)';
    }
    return error;  
}