function validateFormOnSubmit(theForm) {
var reason = "";

  reason += validateEmpty(theForm.GFORM_FIRST);
  reason += validateEmpty(theForm.GFORM_LAST);
  reason += validateEmpty(theForm.GFORM_50);
  reason += validateEmpty(theForm.GFORM_52);
  reason += validateEmpty(theForm.GFORM_53);
  reason += validateEmpty(theForm.GFORM_54);
  reason += validatePhone(theForm.GFORM_HOME);
  reason += validateEmail(theForm.GFORM_EMAIL);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

  pageTracker._trackPageview('/tracking/womens_clinic_submit.htm');
  return true;

}
function validateEmpty(fld) {
    var error = "";
  
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = "A required field has not been filled in.\n"
	} else if (fld.value == "n/a") {
        fld.style.background = 'Yellow'; 
        error = "Please select a state.\n";
	} else if (fld.value == "dept") {
        fld.style.background = 'Yellow'; 
        error = "Please select a department.\n";
	} else if (fld.value == "location") {
        fld.style.background = 'Yellow'; 
        error = "Please select a location.\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;
}