$(document).ready(function() {
	$("#element_1").change(function() {
		initAutoCompletion(1);		
	});
	initAutoCompletion(0);
});

function initAutoCompletion(vider)
{
	if(vider!=0)
		$("#ac_adresse").val("");
	var val_commune= $("#element_1").val();	
	$("#ac_adresse").unautocomplete();
	$("#ac_adresse").autocomplete("/suggest/getDechetsAdresses/" + val_commune, {
			multiple: true,
			width: 350,
			selectFirst: false
		});

}