/* Swap image function for creating mouseovers with images organized into on/off folders */
function swap_rollover(item){
	var pos=item.match("/on/")
	if (pos!=null)
	{
		item=item.replace(/\/on\//,"/off/");
	}
	else{
		item=item.replace(/\/off\//,"/on/");
	}
	return item;
}