To build further upon the ajax part which you may or may not use (from the comments)
a simple way to load another page and replace it with your current one is:
<script>
$(document).ready( function() {
$.ajax({
type: 'get',
url: 'http://pageToLoad.from',
success: function(response) {
// response = data which has been received and passed on to the 'success' function.
$('body').html(response);
}
});
});
<script>