I have been modifying an array called lines and these are the last few lines before the function finishes. The user has to copy the selected text to the clipboard to take it to another program.
  for (i=0; i < lines.length; i++) {
    document.penta.IOField.value+= lines[i];
    if ((i + 1) < lines.length)
	  document.penta.IOField.value+= "\n"; }	
If the clipboard is pasted into Notepad, the data are not separated into lines when using Internet Explorer, but I have no problem with FireFox.

Also, under the "How to Use" button, the window opened in Firefox is just large enough while with IE, there is a lot of unused space. Am wondering why that is.

The page is Spacer.htm and a few lines of any text and any option should help test it.