function checkRadio (frmName, rbGroupName) {
 var radios = document[frmName].elements[rbGroupName];
 for (var i=0; i <radios.length; i++) {
  if (radios[i].checked) {
   return true;
  }
 }
 return false;
} 


function validate_form ( )
{
	
    
    valid = true;

    if ( document.contactForm.salutation.selectedIndex == 0 )
    {
        alert ( "Please select your Salutation." );
        valid = false;
    }

    
    if ( document.contactForm.first.value == "" )
    {
        alert ( "Please fill in your first name." );
        valid = false;
    }
    if ( document.contactForm.last.value == "" )
    {
        alert ( "Please fill in your last name." );
        valid = false;
    }
  
    
    if ( document.contactForm.email.value == "" )
    {
        alert ( "Please fill in your email address." );
        valid = false;
    }
   	
    
	
   

    return valid;
}