function check_forbidden(body,title,words) {
	var result = true;
	var s = "";
	var cntr = 0;
	var not_allowed = "";
	var words_list = words.split(" ");
	for (var i=0; i<words_list.length; i++) {
		var word = words_list[i];	
		if (body.toLowerCase().indexOf(word) != -1 || title.toLowerCase().indexOf(word) != -1) {
			result = false;
			cntr += 1;
			not_allowed += " "+word;
		}
	}
	if (cntr > 1) {
		s = "s";
	}
	if (!result) {
		alert("You are using a not allowed word"+s+" ("+not_allowed+" ). Please correct your post or title and try again");
	}
    return result;
}