// (c) Pierre Moillen 2003

function InitNavButtons()
{
	buttons = ['prev', 'home', 'up', 'next']

	for(var i = buttons.length; i--; ) {
		var button = buttons[i]
		var img    = document.images[button]

		if(img) {
			var norm = img.src
			var over = norm.replace(/(^.*)(\..*$)/, '$12$2')
			var pre  = new Image()
			pre.src = over 
			img.onmouseover = new Function("", "document.images['" + button + "'].src = '" + over + "'")
			img.onmouseout  = new Function("", "document.images['" + button + "'].src = '" + norm + "'")
		}
	}
}