$(document).ready(function(){

//naviWorth用
	$("#naviWorth").mouseover(
		function(){
			$("#naviWorth ul").css("display","block");
			$("#naviWorth img:first").attr("src",$("#naviWorth img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviWorth").mouseout(
		function(){
			$("#naviWorth ul").css("display","none");
			$("#naviWorth img:first").attr("src",$("#naviWorth img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);


//naviService用
	$("#naviService").mouseover(
		function(){
			$("#naviService ul").css("display","block");
			$("#naviService img:first").attr("src",$("#naviService img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviService").mouseout(
		function(){
			$("#naviService ul").css("display","none");
			$("#naviService img:first").attr("src",$("#naviService img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);


//naviMerit用
	$("#naviMerit").mouseover(
		function(){
			$("#naviMerit ul").css("display","block");
			$("#naviMerit img:first").attr("src",$("#naviMerit img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviMerit").mouseout(
		function(){
			$("#naviMerit ul").css("display","none");
			$("#naviMerit img:first").attr("src",$("#naviMerit img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);


//naviRanking用
	$("#naviRanking").mouseover(
		function(){
			$("#naviRanking ul").css("display","block");
			$("#naviRanking img:first").attr("src",$("#naviRanking img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviRanking").mouseout(
		function(){
			$("#naviRanking ul").css("display","none");
			$("#naviRanking img:first").attr("src",$("#naviRanking img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);

//naviProcess用
	$("#naviProcess").mouseover(
		function(){
			$("#naviProcess ul").css("display","block");
			$("#naviProcess img:first").attr("src",$("#naviProcess img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviProcess").mouseout(
		function(){
			$("#naviProcess ul").css("display","none");
			$("#naviProcess img:first").attr("src",$("#naviProcess img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);


//naviPrice用
	$("#naviPrice").mouseover(
		function(){
			$("#naviPrice ul").css("display","block");
			$("#naviPrice img:first").attr("src",$("#naviPrice img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviPrice").mouseout(
		function(){
			$("#naviPrice ul").css("display","none");
			$("#naviPrice img:first").attr("src",$("#naviPrice img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);

//naviIntroduction用
	$("#naviIntroduction").mouseover(
		function(){
			$("#naviIntroduction ul").css("display","block");
			$("#naviIntroduction img:first").attr("src",$("#naviIntroduction img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviIntroduction").mouseout(
		function(){
			$("#naviIntroduction ul").css("display","none");
			$("#naviIntroduction img:first").attr("src",$("#naviIntroduction img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);

//naviEntry用
	$("#naviEntry").mouseover(
		function(){
			$("#naviEntry ul").css("display","block");
			$("#naviEntry img:first").attr("src",$("#naviEntry img:first").attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_on$2"));
		}
	);
	
	$("#naviEntry").mouseout(
		function(){
			$("#naviEntry ul").css("display","none");
			$("#naviEntry img:first").attr("src",$("#naviEntry img:first").attr("src").replace(/^(.+)_on(\.[a-z]+)$/, "$1$2"));
		}
	);


});