<script language="javascript">
     function validate()
     {
     submitOK="True"
     // Form Field Information
     if (document.validateForm.FirstName.value == "")
      {
      alert("Please enter your First Name.")
      submitOK="False"
      }
     if (document.validateForm.LastName.value == "")
      {
      alert("Please enter your Last Name.")
      submitOK="False"
      }
     if (document.validateForm.Email.value == "")
      {
      alert("Please enter your Email Address.")
      submitOK="False"
      }
if (submitOK=="False")
      {
      return false
      }
     }
     </script>

function validateForm()
{
    // Start by getting all the elements in the form
    
    var eles = document.forms['validateForm'].elements;
    var nm = eles.length;

    var errorMsg = ''; // Initialise an empty error message

    // Now loop through all of the elements in the form and ensure there is a value set for them
    for (i=0; i< eles.length; i++)
    {
         if (eles[i].value.replace(/[\s]/, '') == '')
         {
                errorMsg += 'Please enter a value in ' + eles[i].name + '\n';
         }
     }

// If the errorMsg has anything but an empty string then alert and return false
    if (errorMsg == '')
        return true;
    else
        alert(errorMsg);
    return false;
}

if (eles[i].value.replace(/[\s]/, '') == '')

if (eles[i].value.replace(/[\s]/, '') == '') {
   eles[i].style.backgroundColor = "red";
}

function validateForm()
{
    // Start by getting all the elements in the form
    
    var eles = document.forms['validateForm'].elements;
    var nm = eles.length;

    var errorMsg = ''; // Initialise an empty error message

    // Now loop through all of the elements in the form and ensure there is a value set for them
    for (i=0; i< eles.length; i++)
    {
         if (eles[i].value.replace(/[\s]/, '') == '' && eles[i].className.indexOf('mandatory') != -1)
         {
                errorMsg += 'Please enter a value in ' + eles[i].name + '\n';
                eles[i].style.backgroundColor ='#FF0000';
         }
     }

// If the errorMsg has anything but an empty string then alert and return false
    if (errorMsg == '')
        return true;
    else
        alert(errorMsg);
    return false;
}

// Create the array of Human Field Names here

var HumanFieldNames = new Array();

HumanFieldNames['txtName'] = 'Name Field';
HumanFieldNames['phNum'] = 'Phone Number Field';


function validateForm()
{
    // Start by getting all the elements in the form
    
    var eles = document.forms['validateForm'].elements;
    var nm = eles.length;

    var errorMsg = ''; // Initialise an empty error message

    // Now loop through all of the elements in the form and ensure there is a value set for them
    for (i=0; i< eles.length; i++)
    {
         if (eles[i].value.replace(/[\s]/, '') == '' && eles[i].className.indexOf('mandatory') != -1)
         {
                errorMsg += 'Please enter a value in ' + (typeof(HumanFieldNames[eles[i].name]) != 'undefined' ?  HumanFieldNames[eles[i].name] : eles[i].name) + '\n';
                eles[i].style.backgroundColor ='#FF0000';
         }
     }

// If the errorMsg has anything but an empty string then alert and return false
    if (errorMsg == '')
        return true;
    else
        alert(errorMsg);
    return false;
}

// Create the array of Human Field Names here

var HumanFieldNames = new Array();

HumanFieldNames['txtName'] = 'Name Field';
HumanFieldNames['phNum'] = 'Phone Number Field';

function validateForms(dform)
{
    // Start by getting all the elements in the form

    var eles = dform.elements;

    var nm = eles.length;

    var errorMsg = ''; // Initialise an empty error message

    // Now loop through all of the elements in the form and ensure there is a value set for them
    for (i=0; i< eles.length; i++)
    {
         // check if an error node has already been created and deleted it if it is
         // reset the background color as well
         if (document.getElementById('after_input' + i))
         {
             document.getElementById('after_input' + i).parentNode.removeChild(document.getElementById('after_input' + i));
             eles[i].style.backgroundColor = '';
        }
         if (eles[i].value.replace(/[\s]/, '') == '' && eles[i].className.indexOf('mandatory') != -1)
         {
                 
               // Create a new element in the document
               var new_span = document.createElement('span');
                     new_span.setAttribute('id', 'after_input' + i);
              // Add some styles to the element
                     new_span.style.color = "#FF0000";
                     new_span.style.fontWeight = "bold";
              // Create the error text message
                     errorMsg = document.createTextNode('Please enter a value in ' + (typeof(HumanFieldNames[eles[i].name]) != 'undefined' ?  HumanFieldNames[eles[i].name] : eles[i].name));
              // attach the error text to our new div
                    new_span.appendChild(errorMsg);

              // Add this new span as the next element in the document after the input
              if (eles[i] == eles[i].parentNode.lastChild)
                  eles[i].parentNode.appendChild(new_span);
              else
                  eles[i].parentNode.insertBefore(new_span, eles[i].nextSibling);


                                eles[i].style.backgroundColor ='#FF0000';
         }
     }

// If the errorMsg has anything but an empty string then alert and return false
    if (errorMsg == '')
        return true;

    return false;
}