PictureThis.Buttons = function()
{
	
	var YUE = YAHOO.util.Event;
	var YUD = YAHOO.util.Dom;
	
	return {
		
		init: function()
		{
			var buttons = YUD.getElementsByClassName('button');

			for(var i=0; i<buttons.length; i++)
			{
				YUE.on(buttons[i], 'mouseover', this.handleOver);
				YUE.on(buttons[i], 'mouseout', this.handleOut);
			}
		},
		
		handleOver: function(e)
		{
			var button = YUE.getTarget(e);
			button.src = button.src.replace(/.gif/,'_on.gif');
		},
		
		handleOut: function(e)
		{
			var button = YUE.getTarget(e);
			button.src = button.src.replace(/_on.gif/,'.gif');
		}
		
	}
	
}();
YAHOO.util.Event.onAvailable('footer', PictureThis.Buttons.init, null, PictureThis.Buttons);