function validateLeadFormOnSubmit(theForm) {
  var reason = "";
  reason += validateEmpty(theForm.first_name);
  reason += validateEmpty(theForm.last_name);  
  reason += validateEmpty(theForm.email);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

  return true;
}

function validateFormOnSubmit(theForm) {
  var reason = "";
  reason += validateEmpty(theForm.first_name);
  reason += validateEmpty(theForm.last_name);  
  reason += validateEmpty(theForm.inquiry);
  reason += validateEmpty(theForm.email);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

  return true;
}

function validateEmpty(fld) {
    var error = "";
 
    if (fld.value.length == 0 || fld.value == "First" || fld.value == "Last" || fld.value == "you@emailhost.com" || fld.value == "Enter text here") {
        fld.style.background = 'Yellow'; 
		if (fld.value == "First") {
        	error = "The first name field has not been filled in.\n"
		}
		if (fld.value == "Last") {
        	error = "The last name field has not been filled in.\n"
		}
		if (fld.value == "you@emailhost.com") {
        	error = "The email field has not been filled in correctly.\n"
		}
		if (fld.value == "Enter text here") {
        	error = "The inquiry field has not been filled in.\n"
		}
	} 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 = "You didn't enter an email address.\n";
    } else if (!emailFilter.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 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 == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    }
    return error;
}

function formSubmit() {
	document.getElementById("theForm").submit();
}

function clearDefault(el) {
  if (el.defaultValue==el.value) el.value = ""
}
