function change() {
            var words = new Array("This", "Is", "Going", "To", "censor", "curse", "words");
            var html = document.body.innerHTML;
            for(var i = 0; i < words.length; i++) {
                var reg = new RegExp(words[i], 'g');
                var html = html.replace(reg, "<span class="curse">"+words[i]+"</span>");
            }
            document.body.innerHTML = html;
        }
        change();