function validate(form){

if (document.frm.first_name.value == "")
  { alert("Please include your name in Personal details"); document.frm.first_name.focus(); return; }
  
  if (document.frm.last_name.value == "")
  { alert("Please include your last name in Personal details"); document.frm.last_name.focus(); return; }

  if (document.frm.email.value == "")
  { alert("Please include your email address in Personal details"); document.frm.email.focus(); return; }

  if (document.frm.email.value.indexOf('@', 0) == -1 ||
      document.frm.email.value.indexOf('.', 0) == -1)
  { alert("Please enter a valid Email address in Personal details"); document.frm.email.focus(); return; }
 
 if (document.frm.email.value != document.frm.email2.value )
   { alert("The E-mail you typed doesn't match the Retyped e-maile"); document.frm.email.focus(); return; }
  
  if (document.frm.tel.value == "")
  { alert("Please include your Telephone number in Personal details"); document.frm.tel.focus(); return; }

 if (document.frm.world_region.value == "" )
 { alert("Please enter your Country/State"); document.frm.world_region.focus(); return; }
 
  if (document.frm.sw.value =="0")
 { alert("Please enter your Country/State name"); document.frm.country.focus(); return; }
   document.frm.submit();
}