/*
*@ sakai
*onmouseの処理
*/
$(function(){
	var	on_effect=$(".on_effect li img");
			on_effect.bind("mouseover",function(){
            	$(this).attr("src",$(this).attr("src").replace(".gif","_on.gif"));
			})
			on_effect.bind("mouseout",function(){
            	$(this).attr("src",$(this).attr("src").replace("_on.gif",".gif"));
			})
})