// ======================
// ロールオーバー設定
$(function(){
	var images = $(".rollover");
	for(var i=0; i < images.length; i++) {
		if (images[i].id == "thisPage") {
			images[i].setAttribute("src", images[i].getAttribute("src").replace("_off", "_on"));
			continue;
		}
		
		images[i].onmouseover = function() {
			this.setAttribute("src", this.getAttribute("src").replace("_off", "_on"));
		}
		images[i].onmouseout = function() {
			this.setAttribute("src", this.getAttribute("src").replace("_on", "_off"));
		}
	}
});


// ======================
// ドロップメニュー
$(function(){
	$("ul#jsddm li").hover(function(){
		$(this).addClass("hover");
		$('ul:first',this).css('visibility', 'visible');
		
	}, function(){
		$(this).removeClass("hover");
		$('ul:first',this).css('visibility', 'hidden');
	});
	
	$("ul#jsddm li ul li:has(ul)").find("a:first").append(" &raquo; ");
	
});

$(function(){
	var dropOvers = $(".imgOverSub");
	for(var i=0; i < dropOvers.length; i++) {
		var tarObj = $("#menu_" + dropOvers[i].id + " img")[0];
		if (tarObj.id == "thisPage") continue;
		
		dropOvers[i].onmouseover = function () {
			var tarObj = $("#menu_" + this.id + " img")[0];
			tarObj.setAttribute("src", tarObj.getAttribute("src").replace("_off", "_on"));
		}
		dropOvers[i].onmouseout = function() {
			var tarObj = $("#menu_" + this.id + " img")[0];
			tarObj.setAttribute("src", tarObj.getAttribute("src").replace("_on", "_off"));
		}
	}
});


// ======================
// onload
if(window.addEventListener) {
	window.addEventListener("load", startUp, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", startUp);
}else{
	window.onload = startUp
}

function startUp (){
	heightAdjust();
}


// ======================
// 高さ制御
function heightAdjust (){
	if ($("#contents").height() < $("#floatMenu").height()) $("#contents").height($("#floatMenu").height() + 60);
}