print $query->button('name','function')Generates a JavaScript button.
- name
- The name of the button. 
- function
- The function to execute when the button is clicked. - Using named parameters, the syntax is:
 - print $query->button(-name=>'- name',
                     -value=>'- label',
                     -onClick=>"- function");
 
 - -value=>'- label'
- The label to display for the button.