window.addEvent('domready', function(){
	var currentImage = '';
	$('leftmenu').getElements('li').each(switch_menuimage);
	$('leftmenu2').getElements('li').each(switch_menuimage);
});

function switch_menuimage(li,index){
	var text = li.getText().replace(' ','_').toLowerCase();
	text = text.replace(/[^a-z0-9_]/g,"");
	if(li.hasClass('level1_actif')){
		$('image').setStyle('background-image', 'url(fileadmin/img/menu/'+text+'.gif)');
		currentImage = 'url(fileadmin/img/menu/'+text+'.gif)';
	}
		
	li.addEvent('mouseover', function(){
		$('image').setStyle('background-image', 'url(fileadmin/img/menu/'+text+'.gif)');
	});
		
	li.addEvent('mouseout', function(){
		$('image').setStyle('background-image', currentImage);
	});
}