Remove unnecessary eval() dependency for tooltip hiding (also removed in commented out portion) (though this commit does not convert string-based setTimeout's into function-based ones)

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2572 eee81c28-f429-11dd-99c0-75d572ba1ddd
XHTML/XML fixes

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2573 eee81c28-f429-11dd-99c0-75d572ba1ddd
Remove backward-compatible, HTML5-unnecessary type="text/javascript" and convert to shorter, backward-compatible, HTML5-friendly meta charset

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2574 eee81c28-f429-11dd-99c0-75d572ba1ddd
Consistent indentation (tab seemed to be main convention in this file, so changed to tab)

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2581 eee81c28-f429-11dd-99c0-75d572ba1ddd