The following are the possible attributes of the form elements.
accesskey - to define a shortcut to execute a command specific to that element and/or place the focus around that element. The possible values are any double- quoted character(e.g "exer"). To get the focus or execute the command, the user must hold down the ALT key and press the appropriate character (e.g ALT+t)
tabindex - to define a different order of navigation between the forms elements when using the TAB key (the default order is given by the order in which the element are added to the form). The possible values are "0" or any positive integer.