function scrollEffect(targetID){
	new Effect.ScrollTo(targetID,{duration:0.5});
}

function initMouseOverImages() {
  var swaps = $A(document.getElementsByClassName('Hover'));
  swaps.each(function(swap) {
    swap.imgsrc = swap.src;
    var dot = swap.src.lastIndexOf('.');
    swap.imgsrc_on = swap.src.substr(0, dot) + '_over' + swap.src.substr(dot, 4);
    new Image().src = swap.imgsrc_on
    swap.onmouseover = function() { this.src = this.imgsrc_on; };
    swap.onmouseout = function() { this.src = this.imgsrc; };
  });
}
Event.observe(window, 'load', initMouseOverImages, false);