function reason(swID){
  $("#switch>div").not('#'+swID).css("display","none");
  $('#'+swID+":hidden").fadeIn("slow");
}

$(function(){

$('#switch li img').hover(function(){
    imgSrc = $(this).attr('src');
	  var imgHover = imgSrc.replace(/(.*)index_reason(\d\d).jpg/,"$1index_reason$2_hover.jpg");
	  $(this).attr('src',imgHover);
  },function(){
    $(this).attr('src',imgSrc);
  }
);
$('#switch li img').click(function(){
		imgSrc = $(this).attr('src');
		var imgNorml = $('#switch li img.hoverJS').attr('src');
		if(imgNorml) $('#switch li img.hoverJS').attr('src',imgNorml.replace(/(.*)_hover.jpg/,"$1.jpg")).removeClass('hoverJS');
	  var imgHover = imgSrc.replace(/(.*)index_reason(\d\d).jpg/,"$1index_reason$2_hover.jpg");
		$(this).addClass('hoverJS');
	  $(this).attr('src',imgHover);
}
);

});