function validateEmail()
{

   if (document.emailform.cfname.value.length<3)
   {
      alert("Please completely fill in your name"); 
      return;
   }
   if ((document.emailform.cfemail.value.length<5) && (document.emailform.cfphone.value.length<5))
   {
      alert("Please enter either your email or phone"); 
      return;
   }
   if (document.emailform.cfmessage.value.length<5)
   {
      alert("Please completely fill in your message"); 
      return;
   }

   document.emailform.submit();
}

function getURLParameter(param) 
{ 
  var val = ""; 
  var qs = window.location.search; 
  var start = qs.indexOf(param); 
  if (start != -1) 
  {  
    start += param.length + 1;  
    var end = qs.indexOf("&", start); 
    if (end == -1) 
    {   
      end = qs.length  
    }  
    val = qs.substring(start,end); 
  } 
  return val;
} 


// do this automatically:
      if (getURLParameter("sent")=="t")
         alert("Thank you, your mail has been sent.\nSomeone shall be in touch with you shortly.");
      else if (getURLParameter("sent")=="f")
         alert("There was an error sending your email.\nPlease try again.");