function to_hover (id) {
	var path = document.getElementById(id).src;
	var len = path.length;
	var new_path = path.slice(0, len - 4);
	new_path += '_hover.jpg';
	document.getElementById(id).src = new_path
}

function to_normal (id) {
	var path = document.getElementById(id).src;
	var len = path.length;
	var new_path = path.slice(0, len - 10);
	new_path += '.jpg';
	document.getElementById(id).src = new_path
}

function search_submit() {
	var form = document.getElementById('search_form');
	var input = document.getElementById('search_input').value;
	while (input.indexOf(' ') != -1) {
		input = input.replace(' ', '-');
	}
	form.action = '/0/rechercher/' + input + '.php';
	form.submit();
}