// JavaScript Document
function clear_txt() {
    var inputElements = document.getElementsByTagName("input");

    for (var i=0; i < inputElements.length; i++) {
            if (inputElements[i].type == 'text' || inputElements[i].type == 'textarea') {
                inputElements[i].value = '';
            }
            if  (inputElements[i].type == 'radio') {
                inputElements[i].checked = false;
            }

     }
}

function validateFrm(theForm) {
  var reason = "";
  var badphne=false;
  var badmail=false;
  var badzip=false;

  reason += validate(theForm.fname,"First Name");
  reason += validate(theForm.lname,"Last Name");
  reason += validate(theForm.address1,"Address");
  reason += validate(theForm.city,"City");
  reason += validate(theForm.state,"State");
  reason += validate(theForm.company,"Company");

  badzip=validateZip(theForm.zip.value);
  if(!badzip) { reason += "\t" + "Zip Code is not valid" + "\n"; theForm.zip.style.background = '#ccccff'; }
  else { theForm.zip.style.background = 'White'; }

  badphne=validatePhoneNumber(theForm.phone.value);
  if (!badphne) { reason += "\t" + "Phone Number is not valid" + "\n"; theForm.phone.style.background = '#ccccff'; }
  else { theForm.phone.style.background = 'White'; }

  badmail=validateEmail(theForm.email.value);
  if (!badmail) { reason += "\t" + "Email is not valid" + "\n"; theForm.email.style.background = '#ccccff'; }
  else { theForm.email.style.background = 'White'; }

  /*
  var i=0;
  do{
      field=theForm.billing_fname[i];
      if(field.value==''){
          alert("NULL FIELD");
          return false;
      }
      i++;
  }while(i<theForm.billing_fname.length);
  */

  if (! theForm.billing_check.checked){
      reason += validate(theForm.billing_fname,"Billing First Name");
      reason += validate(theForm.billing_lname,"Billing Last Name");
      reason += validate(theForm.billing_address1,"Billing Address");
      reason += validate(theForm.billing_city,"Billing City");
      reason += validate(theForm.billing_state,"Billing State");

      badphne=validatePhoneNumber(theForm.billing_phone.value);

      if (!badphne) { reason += "\t" + "Billing Phone Number is not valid" + "\n"; theForm.billing_phone.style.background = '#ccccff'; }
      else { theForm.billing_phone.style.background = 'White'; }
  }

  if (reason != "") {
    alert("Please correct the following fields: \n\n" + reason);
    return false;
  }

  return true;
}

function validatePhoneNumber(elementValue){
    var phoneNumberPattern = /^\(?(\d{3})\)?[- ]?(\d{3})[- ]?(\d{4})$/;
    return phoneNumberPattern.test(elementValue);
}

function validateEmail(elementValue){
   var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
   return emailPattern.test(elementValue);
 }

function validateZip(elementValue){
   var zipPattern = /(^\d{5}$)|(^\d{5}-\d{4}$)/;
   return zipPattern.test(elementValue);
 }

function validate(fld,rsn) {
    var error = "";

    if (fld.value.length == 0) {
        fld.style.background = '#ccccff';
        error ="\t" + rsn + "\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function remove_space() {

    var tbox = document.getElementById('fname');
    if (tbox)
    {
        var temp=tbox.value;
        tbox.value = temp.replace(' ','');
    }
}