function current(change){
	if(document.getElementById(change)){
		document.getElementById(change).style.backgroundImage = 'url(img/image_menu_hover.jpg)';
		document.getElementById(change).style.color = '#FFF';
		document.getElementById(change).style.cursor = 'default';
	}
}
window.onload = function(){
	var test = new Array;
	var position = window.location.href;
	test['slash'] = position.lastIndexOf("/");
	test['point'] = position.lastIndexOf(".");
	extrait = position.slice(test['slash']+1,test['point']);
	current(extrait);
	}