How do I make second layout load only when called?

Let's say my game consists of 5 layouts. Most of them are the same, with small differences. Some have totally different elements and design. As web-based page, is there a chance I make it load step by step? I mean, after the player presses the button which starts the second layout, only than it will start loading into his computer via internet. Possible?

From the Manual :

"Construct 2 only loads the images for the current layout. This avoids loading the entire project in memory which would be slow and consume a great deal of memory."