This is what my site currently looks like:



This is what I want it to look like: (the image is not to scale)



How do I do this please? I have made the images and added them to my template images. I also added to the stylesheet:

Code:
#rightside {
	float: right;
	}
	
#leftside {
	float: left;
	}
I am not sure if I am on the right track or not though. Any help is appreciated.