jQuery innerhtml
var itemtoReplaceContentOf = $('#regTitle');
itemtoReplaceContentOf.html('');
newcontent.appendTo(itemtoReplaceContentOf);
Glamorous Gazelle
var itemtoReplaceContentOf = $('#regTitle');
itemtoReplaceContentOf.html('');
newcontent.appendTo(itemtoReplaceContentOf);$('div.demo-container').html('<p>All new content. <em>You bet!</em></p>');