// JavaScript Document


var revert = new Array();
var inames = new Array('nav_1_', 'nav_2_', 'nav_3_', 'nav_4_', 'nav_5_', 'nav_6_', 'nav_7_', 'nav_8_','sample_1_', 'sample_2_', 'sample_3_');

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

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];
}