Automatic open Colorbox modal window - drupal-7

Question

I'm using the Colorbox module in Drupal 7. I'm opening an external website. I can make it work with a link. Click here, then click the "colorbox popup" link at the bottom, middle column. The client would like this to open automatically when the page opens. I've created a block and added the following code (from the colorbox site).
<script type="text/javascript">
// Display a welcome message on first visit, and set a cookie that expires in 30 days:
if (document.cookie.indexOf('visited=true') === -1) {
var expires = new Date();
expires.setDate(expires.getDate()+30);
document.cookie = "visited=true; expires="+expires.toUTCString();
jQuery.colorbox({html:"URL goes here", width:887, height:638});
}
</script>
But it does not work.
Any help would be greatly appreciated.

Answer 1

You need to wait until the DOM is ready:
<script type="text/javascript">
$(document).ready(function(){
// Display a welcome message on first visit, and set a cookie that expires in 30 days:
if (document.cookie.indexOf('visited=true') === -1) {
var expires = new Date();
expires.setDate(expires.getDate()+30);
document.cookie = "visited=true; expires="+expires.toUTCString();
jQuery.colorbox({href:"URL goes here", width:887, height:638});
}
});
</script>

Answer 2

You will need to set the open parameter to true.
So you can write:
jQuery.colorbox({href:"URL goes here", width:887, height:638, open: true});
This is documented here:
http://www.jacklmoore.com/colorbox