The AJAX content loaded in a Colorbox has some JavaScript included that resizes things within the content. Colorbox determines its sizing based on the sizes before all of th
Not sure what you are looking for but I found this thread while on a quest for my own solution. I have a colorbox in iframe mode. There is a button in there that when clicked, needs to replace the current colorbox with a new one. I just do this...
parent.$.colorbox({
href: newurl,
iframe: true,
width: "600px",
height: "240px",
onClosed: function() {
}
});
This reloads a new page into a new colorbox in the same location and the transition is very smooth.