function filtre(cat, id)
{
	var val = document.getElementById(id).value;
	var url = '/communaute/annonces?c=' + cat + '&';

	if (val != '')
	{
		if (val == '*') val = '';
		if (id == 'tri_date') url += 'tdate';
		else if (id == 'tri_pp') url += 'tpp';

		url += '=' + val;
// 		alert(url);
		document.location = url;
	}
}


var last_annonce = '';

function infos(id)
{
	if (last_annonce != '')
	{
		var tr_last = document.getElementById('tr_' + last_annonce);
		tr_last.style.backgroundColor = 'white';
	
		var contact_last = document.getElementById('contact_' + last_annonce);
		contact_last.style.textAlign = 'left';
		contact_last.innerHTML = '<a href="javascript:infos(\'' + last_annonce + '\')">Plus d\'infos</a>';

		hide('on_' + last_annonce);
		show('off_' + last_annonce);
	}

	
	var tr = document.getElementById('tr_' + id);
	tr.style.backgroundColor = '#D7D4D4';

	var contact = document.getElementById('contact_' + id);
	contact.innerHTML = '<a href=""><img src="/images/boutons/mail.gif" alt="Envoyer un message" /></a><br /><a href="">Envoyer lui<br />un message</a>';
	contact.style.textAlign = 'center';

	hide('off_' + id);
	show('on_' + id);

	last_annonce = id;
}