window.addEvent('domready', function() {
	var myHref = window.location.href;
	var radioButton = $$('input[name=filtre]');
	if(myHref.contains('&filtre')){
		var explode1 = myHref.split('&filtre=');
		var explode2 = explode1[1].split('&');
		for(var i=0; i<radioButton.length; i++){
			if(radioButton[i].get('value')==explode2[0]){
				radioButton[i].set('checked', true);
			}
		}
	}
	radioButton.each(function(rb, i){
		rb.addEvent('click', function(e){
			$$('input[type=hidden, name=filtre]').destroy();
		})
	});
});