jQuery.preimg = function()
{
	for(var i = 0; i<arguments.length; i++)
	{
		jQuery("<img>").attr("src", arguments[i]);
	}

};
$(function() {
	jQuery.preimg("img/bar_top_1.png", "img/bar_top_2.png" , 
				  "img/bar_about_1.png" , "img/bar_about_2.png" , 
				  "img/bar_news_1.png" , "img/bar_news_2.png" , 
				  "img/bar_contact_1.png" , "img/bar_contact_2.png" , 
				  "img/img_kuttoku_1.png" , "img/img_kuttoku_2.png" , 
				  "img/img_copipo_1.png" , "img/img_copipo_2.png" , 
				  "img/img_hitouch_1.png" , "img/img_hitouch_2.png" , 
				  "img/img_ping_1.png" , "img/img_ping_2.png" , 
				  "img/img_sitemap_1.png" , "img/img_sitemap_2.png" ,
				  "img/btn_blog_1.png" , "img/btn_blog_2.png");

	$("img#blog").live("mouseenter", function () {
		$(this).attr("src","img/btn_blog_2.png");
	}).live('mouseleave', function(){
		$(this).attr("src","img/btn_blog_1.png");
	});
});