function switchImage(imgobject, imageurl)
{
	imgobject.src = imageurl;
}

function switchMenuImage(imgobject, imageurl, textobjectname, text)
{
	imgobject.src = imageurl;
	
	switchTextOfObject(textobjectname, text);
}
function switchTextOfObject(textobjectname, text)
{
	if (document.getElementById(textobjectname))
	{
		document.getElementById(textobjectname).innerText = text;
	}
}