var revert = new Array();
var inames = new Array('staff', 'directions', 'facebook', 'twitter');

// Preload
if (document.images) {
var flipped = new Array();
for(i=0; i< inames.length; i++) {
 flipped[i] = new Image();
  flipped[i].src = "/framework/images/"+inames[i] +"2.gif";
 }
  }

function over(num) {
if(document.images) {
 revert[num] = document.images[inames[num]].src;
  document.images[inames[num]].src = flipped[num].src;
 }
  }
function out(num) {
if(document.images) document.images[inames[num]].src = revert[num];
}