To switch back and forth between multiple windows, you can use the task bar in Windows 95 or 98, where each window is represented by a separate button. The right mouse button can perform other navigation tricks. The latest versions of both Netscapes's and Microsoft's browsers offer another alternative. Sometimes it's easier to move around with the keyboard than with a mouse. The arrow keys will take you up or down a page line by line.
Browsers are smart enough to supply it.
Both these commands work just like they do in word-processing programs, prompting you for the search phrase.