try {
var pageTracker = _gat._getTracker("UA-491206-7");
pageTracker._trackPageview();
} catch(err) {}


var revert = new Array();

var inames = new Array('river', 'storage', 'load', 'backup', 'virtual', 'application', 'infra', 'videoconf', 'prof');

// 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.jpg";
  }
}

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];
}