$(function(){
	$("#gwMainMenu .gwSubMenu").hide();

	
	$("#gwMenu").css("height",$("#gwMainMenu img").eq(1).attr("height"));
	
	$("#gwMainMenu .gwSubMenu").css("width",$("#gwMainMenu img").eq(1).attr("width"));
	$("#gwMainMenu li").css("width",$("#gwMainMenu img").eq(1).attr("width"));
	$("#gwMainMenu li a").css("width",$("#gwMainMenu img").eq(1).attr("width"));
	
	
	$("#gwMainMenu li").hover(
		function(){
			$(this).find(".gwSubMenu").animate({
				height : "toggle",
				opacity : "toggle"
			}, "fast" );
			$(this).find("img").attr("src","http://www.fukuoka-toyota.co.jp/img/" + $(this).find("img").attr("id") + "_on.gif");
		},
		function(){
			$(this).find(".gwSubMenu").fadeOut("fast");
			$(this).find("img").attr("src","http://www.fukuoka-toyota.co.jp/img/" + $(this).find("img").attr("id") + ".gif");
		}
	);
});