[Javascript] refresh on resize window/reload .js file only

[Russell Scheinberg]

I would like to create a function that will cause the window to refresh whenever the window is resized. Anyone know how to do this or can point me to a site that has this explained?  Also, is there a way to reload a javascript source file without reloading the rest of the data that might be loaded on the page from the server or that has been input into form elements? Thanks.