title: How to insert a section of HTML Code into a larger, HTML document
body: <p>Im trying to understand how to insert a section of HTML into a larger doccument.
  Im building a website with a sidebar containing a news section and a few links, the whole sidebar is manual, and is copy/pasted to each page, i want to make a system where i insert the code into the webpage from a master document, so changing a master will affect all pages importing it, i dont want to make the news page a seperate web page, imported by something like iframe, any sugjestions would be super apreciated, thanks!</p>