var menuImgDir="images/menu/";

function switchImage(id, image)
{
	var imageObject = document.getElementById(id);

	if (imageObject) {
		imageObject.src=image;
	}
}

function clickMenu(linkId,linkRef,imageId,image,middleImageId,middleImage)
{
	resetMenu();
	var imageObject = document.getElementById(imageId);
	var middleImageObject = document.getElementById(middleImageId);
	if (imageObject) {
		imageObject.src=menuImgDir + image;
	}
	if (middleImageObject) {
		middleImageObject.src=menuImgDir + middleImage;
	}
	var frame = document.getElementById('myIFrame');
	frame.height = "370px";

	window.open(linkRef,'myMainFrame')
}

function resetMenu() {
	var objImage = document.getElementById('homeMenu');
	objImage.src=menuImgDir + 'home.jpg';
	objImage = document.getElementById('comicMenu');
	objImage.src=menuImgDir + 'comic.jpg';
	objImage = document.getElementById('aboutMenu');
	objImage.src=menuImgDir + 'about.jpg';
	objImage = document.getElementById('contactMenu');
	objImage.src=menuImgDir + 'contact.jpg';
	objImage = document.getElementById('homeComic');
	objImage.src=menuImgDir + 'home_noneright.jpg';
	objImage = document.getElementById('aboutContact');
	objImage.src=menuImgDir + 'about_noneright.jpg';
}

function autoIframe(frameId,pHeight){
	try
	{
		frame = document.getElementById(frameId);

		if (pHeight!="") {
			frame.height = pHeight;
		} else {
			innerDoc = (frame.contentDocument) ? frame.contentDocument : frame.contentWindow.document;
			frame.height = innerDoc.body.scrollHeight;
		}
	}
	catch(err)
	{
		window.status = err.message;
	}
}