Originally posted by Arielladog
There's also an HTML name thing. Just like you can target frames, you can target new windows with HTML:
<a href="somepage.html" target="theNameThing">
Where the target="..." is where the name thing comes in handy. Now, in Window's mind, each window witht he same name (as used for the target="...") is it's own window, so subsequent calls to open a window with the same name just changes the URL of that window. While, the variable actually refers to that window object.