//<![CDATA[
function email(a,b,c,s) {
   document.write("<a href=\"");
   document.write("mailto:");
   document.write(c + "@" + b + "." + a);
   if(s.length) {
      document.write("?subject="+s);
   }
   document.write("\">" + c + "@" + b + "." + a);
   document.write("</a>");
}

// validatate form
function validateForm(thisform) {
with (thisform)
  {
  if (validate_name(fname,"Name is too long!")==false)
    {fname.focus();return false;}
  if (validate_name(lname,"Name is too long!")==false)
    {lname.focus();return false;}
  if (validate_phone(phone,"Phone number is too long!")==false)
    {phone.focus();return false;}
  if (validate_email(email,"Not a valid e-mail address!")==false)
    {email.focus();return false;}
  if (validate_question(question,"Too much text! Can you be more brief?")==false)
    {question.focus();return false;}
  }
}

// validatate email
function validate_email(field,alerttxt) {
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}
// validatate names
function validate_name(field,alerttxt) {
with (field)
  {
  if (value.length >50)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}
// validatate phone
function validate_phone(field,alerttxt) {
with (field)
  {
  if (value.length >30)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}
// validatate text
function validate_question(field,alerttxt) {
with (field)
  {
  if (value.length >4096)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}
//]]>