var nextindex = 2;
var rollhomeo = 2;
window.addEvent('load',function(){
// jay johnston mootool auto-rollover
$$('.rollHome').forEach(function(item,i) {
  item.addEvent('click',function() {
    rollhomeo = 1972;
    rollover(item);
  });
});
window.setTimeout('autoplay()',3000);
});
function rollover(item) {
  $$('.rollHome').forEach(function(x,i) { 
    //alert(x.getProperty('alt')+' '+item.getProperty('alt'));
    if (x.getProperty('alt')==item.getProperty('alt')) {
      x.addClass('roll-on');
    } else {
      x.removeClass('roll-on');
      x.fireEvent('mouseout');
    }
  });
  var title = item.getProperty('alt').replace(/ /g,'_');
  //alert('title:'+title+', z-index:'+nextindex); 
  $(title).setStyles({'z-index':nextindex});
  nextindex++;
}
function autoplay() {
  if (rollhomeo!=1972) {
    $$('.rollHome').forEach(function(item,i) {
      if (rollhomeo!=1972) {
        //alert(i+', '+rollhomeo);
        if (i+1==rollhomeo) {
          item.fireEvent('mouseover');
          rollover(item);
        }
      }
    });  
    rollhomeo = rollhomeo+1;
    if (rollhomeo==6) rollhomeo=1;
    if (rollhomeo!=1972) window.setTimeout('autoplay()',5000);
  }
}