Update Page Only If New Data?

Aug 7, 2009

I am using this to update the page with new content every 60 seconds

Code:

$(document).ready(function() {
var refreshId = setInterval(function() {
$('#contents').load('src.php');

[code]...

What I am trying to do is, I want to load the page only if src.php has new contents, I tried this, but now luck

Code:

$(document).ready(function() {
var refreshId = setInterval(function() {
var current_html = $('#contents').html();
var new_html = $.load('src.php').html();

[code]...

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[Code].....

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