function validate(form) {
   var keywords=['fuck','shit','crap','crapp','cunt','dickhead','bastard','wank','arse','nigger','piss','bollock','bugger'];// banned words
   for(var j=0;j<keywords.length;j++){
   var re= new RegExp(keywords[j],'gi')//global AND insensitive (lowercase, caps, upper, camel...) string
   if(form.review.value.match(re)){//if the banned word is found in the sentence, as a word or even as a substring
   alert('Please, no swearing!');return false
   }
   }
  result = (form.name.value != "") && (form.review.value != "");
  if (!result) alert('You must enter your name and a review');
  return result;
}