When the user clicks on a link, by default the browser replaces the page containing that link with the new page pointed by the link. To change the default behaviour, attach a new attribute names target to the <a> element. This attribute define the name of the window in which the new page will be loaded. If no window with that name exists, a new window will be created, The possible values are
-Any double quoted string string that defines a name for a new window -The following constant values _self (default) -black _parent _top
