function rollOver(object,el) {
	document.getElementById(el + '_top').src = '../images/grijs_bocht_top.gif';
	document.getElementById(el + '_bottom').src = '../images/grijs_bocht_bottom.gif';
	object.className = 'menuItemHover';
}
function rollBack(object,el) {
	document.getElementById(el + '_top').src = '../images/e.gif';
	document.getElementById(el + '_bottom').src = '../images/e.gif';
	object.className = 'menuItem';
}
function doCurrent(object,el) {
	document.getElementById(el + '_top').src = '../images/groen_bocht_top.gif';
	document.getElementById(el + '_bottom').src = '../images/groen_bocht_bottom.gif';
	object.className = 'menuItemActive';
}