title: d3 - trigger mouseover event
body: <p>I have a map of the US states and counties in a SVG graphic rendered by D3.  Each path have mouseover, mouseout and click events bound to it, as well as the FIPS county code set as the path ID.</p>
  
  <p>I have a jQuery Autocomplete input where the user can input the name of a state or county.  Given that input, which makes the corresponding FIPS ID available, how can I trigger the mouseover event programatically?</p>